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Residents Preparedness Level Against Ebola Virus Disease Resurgence
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Babatunde Olowookere
910706002
RESIDENTS PREPAREDNESS LEVEL AGAINST EBOLA
VIRUS DISEASE RESURGENCE: A SURVEY IN THREE
LOCAL GOVERNMENT AREAS IN LAGOS STATE
SUBMITTED BY
OLOWOOKERE BABATUNDE ABIODUN
MATRIC NO: 910706002
SUBMITTED TO
THEDEPARTMENT OF COMMUNITY HEALTH AND
PRIMARYHEALTH CARE, COLLEGE OF MEDICINE,
UNIVERSITY OF LAGOS
IN PARTIAL FULFILLMENT OF THE REQUIREMENT FOR
THE AWARD OF (MSc) DEGREE IN PUBLIC HEALTH
(GENERAL OPTION)
SEPTEMBER 2015
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DECLARATION
I Babatunde Abiodun Olowookere hereby declares that this project titled: Residents
Preparedness Level against Ebola Virus Disease Resurgence: a survey in three local
Government Areas in Lagos State was carried out by me under the supervision of Dr.
Robert A.A. I also declare that it has not been submitted either in part or in full for any other
examination.
NAME SIGNATURE
Babatunde Abiodun Olowookere
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DEDICATION
To Almighty God, for his grace and tremendous love.
To my wife for her love and support.
To our beloved son Jesse.
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CERTIFICATION
I certify that the research project titled Residents Preparedness Level against Ebola Virus
Disease Resurgence: a survey in three local Government Areas in Lagos State was carried out
by Babatunde Abiodun Olowookere under my supervision.
…………………... ………………….……….. ………………………………
DR. A. A. ROBERTS DATE
Supervisor
……………………………………………… …………………………………
BABATUNDE ABIODUN OLOWOOKERE DATE
Student
……………………………………………… ………………………………
DR. OGUNNOWO DATE
Assessor
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ACKNOWLEDGEMENT
I wish to acknowledge the grace of the Almighty God upon my life from the time I was born
till this day; I give all the praise and honour to his holy name.
I am indebted to my supervisor Dr. A.A Alero for her calmness, maturity and mentorship
during the study period despite her busy schedule.
To my wife, Mrs. Hauwa Olowookere, I wish to say a big thank you for your support and
encouragement throughout the academic year, may the Almighty God continue to guide and
protect you. To my adorable son, Jesse Olowookere, thank you for being sweet and
supportive during this period. To all my friends and colleagues, I thank you all.
I cannot but give thanks to all my colleagues at the National Emergency Management
Agency (NEMA), South West Zonal office particularly the Zonal Coordinator, Dr. Bemdele
Onimode for his support and advice during the course of the program.
Finally, I am extremely grateful to all those who participated in the study for their
willingness, time, commitment and sincere responses. I cannot end my acknowledgment
without appreciating Micheal Agoro an Industrial Attachment student with NEMA Zonal
office and also David Oyedepo an NYSC Corp member serving at the zonal office for their
assistance during the data gathering for the study.
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TABLE OF CONTENTS
TITLE PAGE………………………………………………………………………………….............. i
DECLARATION..........................................................................................................................ii
DEDICATION............................................................................................................................iii
CERTIFICATION....................................................................................................................... iv
ACKNOWLEDGEMENT............................................................................................................. v
TABLE OF CONTENTS............................................................................................................. vi
LIST OF TABLES ..................................................................................................................... vii
LIST OF FIGURES..................................................................................................................... ix
ABBREVIATIONS..................................................................................................................... ix
SUMMARY.................................................................................................................................x
CHAPTER ONE.......................................................................................................................... 1
BACKGROUND TO THE STUDY............................................................................................... 1
CHAPTER TWO.......................................................................................................................... 6
LITERATURE REVIEW.............................................................................................................. 6
CHAPTER THREE.................................................................................................................... 30
MATERIALS AND METHODOLOGY ...................................................................................... 32
CHAPTER FOUR...................................................................................................................... 40
RESULTS.................................................................................................................................. 40
DISCUSSION............................................................................................................................ 59
CONCLUSION.......................................................................................................................... 62
RECOMMENDATIONS............................................................................................................ 63
REFERENCES........................................................................................................................... 64
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LIST OF TABLES
Table 1: Respondents used in the study……………………………………………………… 36
Table 2: Socio-demographic characteristics of respondents………………………………….. 39
Table 3: Socio -economic characteristics of respondents………………………………………. 40
Table 4: Knowledge score of respondents on causes of Ebola disease………………………….. 41
Table 5: Knowledge on the spread of Ebola Viral Disease……………………………………….. 42
Table 6: Knowledge on when signs of illness of Ebola Viral Disease begins by
respondents (n=390)…………………………………………………………………… 44
Table 7: Level of preparedness against Ebola Viral Disease resurgence………………………. 46
Table 8: Knowledge score of respondents on EVD across all domains………………………….. 48
Table 9: Association between Socio-demographic characteristics of respondents and their
Knowledge of EVD (n=390)…………………………………………………………… 49
Table 10: Association between Socio-economic characteristics of respondents and knowledge
of EVD…………..………………………………………………………………. 50
Table 11: Association between Socio-economic characteristics of respondents and their
Attitude and perception of EVD of EVD…………..………………………… 51
Table 12: Association between Socio-demographic characteristics of respondents and their
Attitude and perception regarding of EVD …………………………………………… 52
Table 13: Association between Socio-demographic characteristics of respondents
and their Level of Preparedness against of EVD resurgence…………………………. 53
Table 14: Association between Socio-economic characteristics of respondents
and their Attitude and perception regarding of EVD………………………….. 54
Table 15: Association between Socio-demographic characteristics of respondents and
practices regarding EVD………………………………………………………….. 55
Table 16: Association between Socio-economic characteristics of respondents and
practices regarding EVD resurgence…………………………………………… 56
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LIST OF FIGURES
Figure 1: Knowledge of Signs and Symptoms of Ebola Viral Disease
mentioned by respondents (n=390)……………………………………………. 43
Figure 2: Knowledge on sources and channels of information regarding EVD (n=390)... 45
Figure 3: Overview of Ebola virus pathogenesis………………………………………. 71
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ABBREVIATIONS
CDC Center for Disease Control and Prevention
DRC Democratic Republicof Congo
ECOWAS Economic Community of West Africa State
EEOC Ebola Emergency Operation Center
EID Emerging infectious Disease
ELISA Enzyme-Linked Immunosorbent Assay
EVD Ebola Virus Disease
HF Health Facility
KAP Knowledge, Attitudes, and Practices
LGAs Local Government Areas
GOARN The Global Alertand Response Network
NHP Non-HumanPrimate
Ig Immuno-globulin
MCP Macrophage Chemotactic protein
NO
PCR
PHCC
Nitric Oxide
Polymerase ChainReaction
PrimaryHealth Care Centre
PHE
PPE
TF
VHF
UNICEF
Public Health Event
Personal ProtectiveEquipment
Tissue Factor
Viral HemorrhagicFever
UnitedNationsChildren’sFund
WHO World Health Organization
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SUMMARY
Ebola is one of the most virulent human viral diseases with a case fatality ratio between 25%
to 90%. The West African outbreaks in 2014 are the largest and worst in history. The first
ever outbreak of Ebola virus disease (EVD) in Nigeria was declared in July, 2014 but Nigeria
and Liberia were however declared EVD free on 20th October 2014 and 9th May 2015 after no
new cases were reported within the period. A new confirmed case was however reported in
Liberia on Monday 29th June 2015. This latest resurgence of EVD in Liberia is an indication
of how difficult it is for Public Health authorities to eliminate a highly contagious viral
disease and its implications in Nigeria.
The objectives of the study are to determine knowledge, attitude, level of preparedness and
practices of hygiene amongst residents in Ikeja, Agege and Mushin Local Government Areas
of Lagos State.
The survey which assessed the preparedness level against Ebola Virus Disease resurgence in
three (3) Local Government Areas in Lagos State namely Ikeja, Agege and Mushin was
conducted among 416 residents. Selection was focused on Lagos State due to the fact that it
was once hit by an epidemic.
The study was a descriptive, community-based cross-sectional survey and 309 identified
residents were successfully surveyed, with a rate of 93.98%. Among the identified, we had
57.1% men, 48.1% women and majority of the respondents were Christians.
It was noticed that 6.02% have never heard about EDV, 6.2% possessed satisfactory
knowledge in all three domains. Fifteen percent, 24.5%, 2.9% and 13.1% possessed
satisfactory knowledge in signs and symptoms, preventive measures, mode of spread and
level of preparedness. Radio was the most used source of information. Majority (82.3%) of
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the respondents mentioned regular hand washing with soap and water, while 55.6% said they
regularly used hand sanitizers.
It was discovered from the study that there was high level of preparedness amongst the
studied population against a re-emergence of EVD. Nonetheless, participating in burial rites
of a person that dies of Ebola disease remains a major key knowledge gap. For Nigeria, the
best protective measures are adequate levels of preparedness focused on knowledge, attitude
perception and practices preventing a further spread of the disease.
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CHAPTER ONE
INTRODUCTION
BACKGROUND TO THE STUDY
Ebola Virus Disease (EVD) (Formally known as Ebola haemorrhagic fever) is an active
haemorrhagic illness with a case fatality (death) rate of up to 90%. The disease is caused by
filoviridae family that affects humans and non-human primates (monkey, gorilla and
chimpanzee).1
The World Health Organization (WHO) defines Ebola Virus Disease as a severe often fatal
illness in humans. EVD is transmitted from wild animals and then spread within the human
population through human to human transmission.2
Ebola viral fever, a highly contagious haemorrhagic disease has today become a major public
health concern particularly in developing world.3The first Ebolavirus specie was discovered
in the year 1976 in what has now become the Democratic Republic of Congo near the Ebola
River. The epidemic recorded 318 cases and 280 deaths for a case fatality of 88%.Since then
24 more outbreaks have occurred in multiple African countries.4 The disease in Sudan also
known as Sudan Ebola Virus (SEBOV) has caused six further epidemics in man and while
that of Zaire strain known as (EBOV) has caused 17 further epidemics.5
the World Health Organization (WHO) has reported over 11,306 casualties with an estimated
28,256 people confirmed or suspected of having contracted the disease in nine countries as at
September 3rd 2015. A total of 869 confirmed healthcare workers infected with EVD and 507
confirmed dead.6 Majority of these cases occurred in West African Countries of Guinea,
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Sierra Leone and Liberia. While Nigeria, Senegal, the USA, Spain, Mail, the United
Kingdom and Italy reported imported cases or import-related local transmission linked to the
epidemic in West Africa.
The recent resurgence of the disease in Liberia which has earlier been certified EVD free
with Nigeria by the World Health Organization is a cause for concern for all.7
NATURE OF THE PROBLEM
The first outbreak of the epidemic in the West African sub region was in 2014 and since then,
curbing the spread of the EVD has been a challenge. The fear that the disease could spread
further is palpable due to the situation in Liberia. The outbreak is also still very active in
Sierra Leone and Guinea.
The greatest mystery regarding the causative organism of EVD is the identity of its natural
reservoir and the mode of transmission from the reservoir to wild animals and man.8 In
addition, EVD present signs and symptoms of that Lassa fever or viral hemorrhagic fever
which is highly prevalent in West Africa; that can also cause delay diagnosis.
THE EXTENT OF THE PROBLEM
The current outbreak in West Africa was first reported in March 2014. It is the largest and
most complex Ebola outbreak since the Ebola virus was discovered in 1976.9 There have
been more cases and deaths in this epidemic than all others combined. It has also spread
between countries starting from Guinea and spreading across land borders to Sierra Leone
and Liberia by air (1 traveller) to Nigeria and USA (1 traveller) and by land Senegal (1
traveller) and Mali (2 travellers).10
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The West Africa outbreak is so large, so severe and so difficult to contain. The hardest-hit
countries are Guinea, Liberia and Sierra Leone.11 These countries are amongst the poorest in
the world. Both Sierra Leone (1991-2002) and Liberia (1989-2003) have only recently
emerged from protracted conflicts and Civil wars. The Ebola Virus Disease (EVD) epidemic
in West Africa has ravaged the social fabrics of three (3) countries (Guinea, Liberia and
Sierra Leone) with a death toll of over 11 263 people and over 27 642 cases as at July 15,
2015.
In August 2014 WHO declared it a Public Health Emergency of International Concern.
Travel-associated cases have now been documented in five (5) additional countries and
effects are being felt worldwide.12EVD is highly contagious in nature and can be easily
spread if not properly managed; in addition, the fact that the cure for the disease has not been
discovered and no vaccine to inoculate affected victims remains a major concern.
THE SIGNIFICANCE OF THE PROBLEM
The world Health Organization (WHO) declared Nigeria and Liberia Ebola Virus Disease
(EVD) free on 20th October 2014 and 9thMay 2015 after no new cases were
reported.13However, a new confirmed case was reported on Monday 29thJune 2015 in Liberia.
This latest resurgence of EVD in Liberia is an indication of how difficult it is for Public
Health authorities to eliminate a highly contagious viral disease.
Nigeria is the most occupied country in Africa with an estimated population of about 180
million. It is also the world’s fourth largest oil producer and second largest supplier of natural
gas.14Lagos-State is the commercial nerve center of Nigeria. The State attracts travelers from
all over the world particularly people from other West African countries that are still battling
with the scourge of EVD. This portends danger if proper prevention and control measures are
not sustained to enhance the spread of the disease.
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THE JUSTIFICATION AND RATIONALE FOR STUDY
Nigeria containment of Ebola Virus Disease (EVD) has been lauded as nothing short of
remarkable given both the population density in the country and particularly in cities such as
Lagos and Port Harcourt. The outbreak of the disease created public fear, panic and confusion
as is usually seen in outbreaks of previously unknown diseases or epidemics such as malaria,
poliomyelitisetc which are yet to be totally contained in the country. Nonetheless, there is the
need to continuously have a preventive behavior to reduce community transmission to human
by emerging infectious diseases (EIDs).
The trends in globalization including expansion in international travel and trade have also
extended the reach and increased the pace at which infectious diseases spread. Between the
periods of 1996-2009, research shows that 53% of the global EID outbreaks occurred in
Africa.15
As a nation, there is an urgent need to assess our readiness to manage and contain the EVD.
Periodic research through surveys of assessment of the level of preparedness of residents in
three (3) Local Government Areas in Lagos State against EVD Resurgence will further
enhance our response capability and reduce the burden on the health infrastructure caused by
the fatal epidemics.
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AIM
The study is to assess the level of preparedness of residents in Ikeja, Agege and Mushin
Local Government Areas of Lagos State against EVD Resurgence.
OBJECTIVES
To achieve this aim the specific objectives are:
1. To determine the level of knowledge of EVD amongst the residents in Ikeja, Agege
and Mushin Local Government Areas of Lagos State.
2. To determine the attitude of residents in Ikeja, Agege and Mushin Local Government
Area of Lagos State on EVD.
3. To determine the level of preparedness and practices of hygiene amongst residents in
Ikeja, Agege and Mushin Local Government Areas of Lagos State.
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CHAPTER TWO
LITERATURE REVIEW
DEFINITIONS AND BACKGROUND
Ebola Virus Disease (EVD):
EVD can be defined as a severe form of viral haemorrhagic fever or fatal zoonotic infection
caused by a virus of the filoviridae family and designated Ebola Haemorrhagic Fever
(EHF).16
Public Health Event (PHE):
A public health event is defined as any occurrence that may have negative consequences for
human health including those that have not yet caused disease or illness but that have
potential and those that may require a coordinated response.17
Public Health Preparedness:
These are actions taken by Healthcare and Public Health organizations to ascertain effective
response to emergencies that impact health especially events that have timing or scale that
overwhelms normal capacity.18
Individual Preparedness:
Action taken by an individual or family to prevent, protect against and minimize physical and
emotional damage that results from a disaster.18Preparedness is a fundamental concept in the
field of Disaster Research and Emergency Management. It is a measure taken prior to the
onset of a disaster to enhance the response capacity.
It also implies the ability of social units to accurately assess a hazard, realistically anticipate
likely problems in the event of an actual disaster and appropriately taken precautionary
measures to mitigate impacts and ensure an efficient and effective response.
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Knowledge Attitude and Practice:
Knowledge: is defined as “the fact or condition of knowing something with a considerable
degree of familiarity through experience, association or contact’’.19
Three forms of knowledge are identified: explicit, tacit and implicit.
Explicit knowledge is that which is stated in detail and is termed as codified or formal
knowledge.20
Explicit knowledge can be accessed by anyone, for example, books, pictures, or recording
clips.
Tacit knowledge represents knowledge based on the experience of individuals, expressed in
human actions in the form of evaluation, attitudes, points of view, commitments and
motivation. Tacit knowledge is lost with the person who possesses it.21
Implicit knowledge is that which could be expressed, but has not been. In other words
implicit knowledge is that body of knowledge which exists without being stated.19
Attitude: Is a predisposition or tendency to respond positively or negatively towards a
certain idea, object, person or situation. Attitude is un-expressed behavior. It influences an
individual’s choice of action.
Practice: Is the utilization of rules and knowledge that leads to action. Good practice shares a
corresponding relationship with knowledge and technology.
The union of Knowledge, Attitude, and Practice in a common action like the KAP study is an
educational diagnosis of community or subgroup of a community. It evaluates specific
understanding, feelings and actions regarding any matter of interest.
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Ebola Resurgence: Resurgence is bringing again into activity and prominence. Ebola
resurgence is therefore the re-emergence of new cases of Ebola Virus Disease in a place
where it has been declared Ebola-free.
Emergency: A sudden occurrence that may be due to epidemics, natural, man-induced to
technological catastrophes that demands immediate action.22
Resident: Someone who lives in a particular place for a prolonged period or who was born
there.
EBOLA VIRUS DISEASE - AN OVERVIEW
Ebola Virus Disease (EVD) is caused by Ebola Virus responsible for viral hemorrhagic fever
like Lassa fever (LASV), Yellow fever (YFV), Marburge fever and Dengue fever. Ebola
viruses are the causative agents of a severe form of viral haemorrhagic fever in man,
designated Ebola Haemorrhagic Fever (EHF) and are endemic in regions of Central Africa.
They are called hemorrhagic because of the distinct scary bleeding that occurs during the
course of the illness. Nonetheless, the word hemorrhagic is now left out in the case of Ebola
because not all of Ebola patients developed significant hemorrhage symptoms, which usually
occurs only in the terminal phase of fatal illness.23
EVD is one of the most fatal viral diseases worldwide affecting human and non-human
primates. Ebola was first discovered in 1976 near the Ebola River in what is now called the
Democratic Republic of the Congo (DRC).The virus has the potential to spread globally and
is classified as a “category A” pathogen that could be misused as a bioterrorism agent.24
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CLASSIFICATION OF EBOLA VIRUS
Ebola virus is a non-segmented, negative-sense highly infectious illness caused by a single-
stranded RNA virus similar to rhabdoviruses and paramyxoviruses in its genome organization
and replication mechanism.
Ebola Virus is amongst the most virulent pathogens that have been shown to cause disease in
humans and nonhuman, and has fast become one of the world’s most feared pathogen. Ebola
Virus alongside causative organisms of Rift valley fever, Crimean Congo hemorrhagic fever,
lassa fever, yellow fever and Dengue hemorrhagic fever are also classified as hemorrhagic
fever virus are all classified as hemorrhagic fever viruses.
Currently, there are five (5) genetically distinct members of thefiloviridae family (filovirus),
this includes: Zaire Ebolavirus (EBOV), BundibugyoEbolavirus (BDBV), Reston Ebolavirus
(RESTV), Sudan Ebolavirus (SUDV) and Tai Forest Ebolavirus (TAFV) all named after the
country or location where virus was first isolated.
Although, Reston ebolavirus has only caused disease in non-human primates (NHP) and was
found in swine suffering from porcine reproductive and respiratory disease syndrome in the
Philippines and in People’s Republic of Chain.25Zaire, Sudan and Bundibugyo Ebola viruses
are largely responsible for most of the Ebolahaemorrhagic Fever outbreaks in Africa.26The
fifth species, Tai forest ebolavirus was documented in a single human infection caused by
contact with an infected chimpanzee from the Tai forest in Ivory Coast. In sub-saharan Africa
the Zaire ebolavirus constitutes a particularly serious threat to both human and non-human
primates.
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The Zaire species which has been identified as the most commonly occurring species in
previous outbreaks is the cause of the number of cases and deaths between 1976 and 2012.
The fatality percentage represents the percentage of people who die after contracting the virus
and Zaire has the highest at 69%, followed by the second most virulent species Sudan at
53%.27The Ebola outbreak (Zaire species) of 2014 has become larger than all previous Ebola
outbreaks combined since its discovery in 1976. Epidemic has occurred in the Sudan,
Democratic Republic of Congo, Gabon, Uganda and Congo.28
EPIDEMIOLOGY OF EBOLA VIRUS DISEASE
Two main modes of transmission into human populations have been suggested: either direct
contact to a reservoir or contact to other wildlife that also contracts EBOV from the
reservoir.29
The filoviruses Marburg and Ebola cause fulminant hemorrhagic fever were first recognized
in 1967 when the inadvertent importation of infected monkeys from Uganda resulted in
explosive outbreaks of severe illness among vaccine plant workers in Marburg, Germany and
Belgrade, Yugoslavia.30 Ever since, except in few instances of accidental laboratory
infections reported, all large outbreaks of filoviral disease have been confined to Sub-
Saharan Africa.31
The first recognized outbreaks in Africa occurred in Zaire and Sudan in 1976.Each outbreak
had over 300 people affected but did not spread greatly because of the location of the place.
The Zaire species caused several hundred cases in 1995 in Kikwit, Democratic Republic of
Congo and the Sudan virus infected more than 400 people in Gulu, Uganda in 2000.32
The 2013-2015 Ebola epidemic is the largest outbreak of Ebola virus ever recorded. It was
caused by the Zaire species of the virus. It is not only the first to occur in West Africa but the
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effect far outweighs other previous outbreaks. The West African country of Guinea was
where the first case was first confirmed in December 2013 and it spread to Liberia and Sierra
Leone in 2014.33Subsequently, the cases of EVD outbreaks spread to Nigeria, Senegal and
Mail with isolated case in United Kingdom and another in Sardinia. There were also reported
imported cases in the United States and Spain which led to secondary infections of medical
workers but did not spread further.
Aside of causing human infections, Ebola virus has also spread to wild non-human primates
(NHPs). Fruit bats are considered to be the natural reservoir for Ebola virus in Africa.34 This
has contributed to a marked reduction in chimpanzee and gorilla populations in Central
Africa and has also triggered some human epidemics due to handling of and/or consumption
of sick or dead animals by local villagers as a source of food.
TRANSMISSION OF EBOLA VIRUS DISEASE
Ebola virus can be transmitted by direct contact with blood, bodily fluid or skin of EVD
patient or individuals who have died of the disease.35As soon as a person becomes infected,
the disease is spread to others through broken skin, mucous membranes, blood or body fluids.
Transmission via inanimate objects contaminated with infected bodily fluid (fomites) is
possible.36The principal mode of transmission in human outbreaks is human-to-human
transmission through direct contact with a symptomatic or dead EVD case or with
contaminated surfaces and materials (e.g. beddings, clothing’s etc.).
Prior to the epidemic in West Africa in 2014, outbreaks of EVD were typically controlled
within a period of weeks to a few months. This is as a result that most outbreaks occurred in
remote regions with low population density, where residents rarely travelled. However, the
epidemic in West Africa has shown that Ebola virus can spread rapidly and widely as a result
of the extensive movement of infected individuals (including undetected travel across
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national borders), the spread of the disease to urban areas and the avoidance and/or lack of
adequate Personal Protective Equipment and Medical Isolation Center. Human Ebola
outbreaks usually occur abruptly from a vaguely defined source with subsequent rapid spread
from person to person.
Human-to-human: Human-to-human transmission is through direct or close contact with
infected patients and particularly through contact with blood and body fluids of an infected
patients or bodies of patients who die of the disease. EVD Ebola can also be transmitted in
postmortem care settings by laceration and puncture with contaminated instruments used
during postmortem care, through direct handling of human remains without recommended
PPE and through splashes of blood or other body fluids such as urine, saliva, feces, or vomit
to unprotected mucosa such as eyes, nose or mouth during postmortem care.37
Risk of transmission through bodily Fluids: Ebola virus can also be transmitted through
direct contact with bodily fluids. It remains one of the highest risks of contacting of the virus
between people. Circumstantial evidence from previous outbreaks, epidemiological data and
experiments in non-human primates all demonstrate that contact with ebola virus infected
fluid scan lead to infection. Contact with bodily fluids has also been implicated as the reason
why caregivers often become infected after contact with patients. In a study of the risk factors
associated with contracting Ebola virus during an outbreak in Kikwit, Sudan contact with
bodily fluids strongly predicted risk of infection as did sharing hospital beds.38
Risk of transmission through the airborne/aerosol route: Currently no data exists whether
Ebola virus disease can be spread from human-human by respiratory tract route. However,
epidemiological data have led to the understanding that the disease does not undergo
traditional airborne transmission. Although aerosolized filo viruses are highly infectious for
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laboratory animals, in humans, airborne transmission has only been reported among
healthcare workers who were exposed during aerosol generating medical procedures.39
Ebola virus can also be spread through fomites and environmental Stability: A fomite
refers to any surface that a pathogen is able to persist on, and fomite transmission can occur
when an individual comes into contact with that infected surface. Potential routes of Ebola
virus fomite transmission include touching objects such as beddings, clothing and other
personal utensils (plates, cups) that have been in contact with person who is sick of Ebola
virus. Little is known about the stability of Ebola virus on surfaces as limited environmental
testing in outbreak locations has shown little evidence for Ebola virus persistence on surfaces.
However, one experiment showed that EBOV viral load is reduced by 4 log10 after 5.9 days
when placed on glass and in the dark at 24°C and 40% relative humidity. Another experiment
showed that EBOV could be recovered after 50 days, when dried in culture media on glass at
4 °C.40
Nosocomial transmission: Nosocomial infections are infections that develop as a result of a
stay in hospital or are produced by microorganisms and viruses acquired during
hospitalization. Transmission to healthcare workers due to lack of resources for infection
control and Personal Protective Equipment (PPE) are the main reasons for nosocomial
transmission. Nosocomial transmission has been a major cause of morbidity and mortality in
EVD since the first outbreaks described in Sudan and Zaire (now Democratic Republic of the
Congo, DRC) in 1976. The current outbreak in West Africa had led to documented infection
in 876 health workers with 509 deaths as July 12, 2015.41
Essentially, there is no evidence on mosquitoes or other biting arthropods transmitting filo
viruses. Past epidemic may have been much and more difficult to control if the virus were
transmitted from person to person by these mechanisms.42,43
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Due to the high mortality rate of the Ebola virus in human and non-human primate, it is
considered highly dangerous and is a bio-terrorism agent that could jeopardize global health.
PATHOGENESIS OF EBOLA VIRUS DISEASE
Little is known about the pathogenesis of filovirus infection. Almost all data on the
pathogenesis of Ebola virus disease have been obtained from laboratory experiments
employing mice, guinea pigs and non-human primates. Ebola virus disease can enter the host
body mostly via mucosal surfaces or injuries in the skin.44Also infection through the intact
skin cannot be excluded, although it is considered unlikely. Aerosol infection (RESTV) has
been demonstrated in non-human primates under experimental conditions in dispersion
chambers.45,46
However, case reports and large-scale observational studies of patients in the 2014-2015
West African outbreaks are providing urgently needed data on the pathogenesis of the disease
in humans.47
Cell entry and tissue damage: — once the virus enters the body through mucous
membranes, it attacks the immune cell of the host namely macrophages and dendritic cells
are probably the first to be infected. The immune cell gets fooled and release large amounts
of cytokines that instead facilitate the entry of the virus into endothelial cells easily.
The virus genetic material (single-stranded RNA) is released into cytoplasm and produces a
new viral proteins/genetic material. The viral genomes migrate to regional lymph nodes
results in further rounds of replication, followed by spread through the bloodstream to
dendritic cells and fixed and mobile macrophages in the liver, spleen, thymus, and other
lymphoid tissues. Necropsies of infected animals have shown that many cell types (except for
lymphocytes and neurons) may be infected, including endothelial cells, fibroblasts,
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hepatocytes, adrenal cortical cells and epithelial cells. Fatal infection is characterized by
multifocal necrosis in tissues such as the liver and spleen.
Gastrointestinal dysfunction: — Patients with Ebola virus disease commonly suffer from
vomiting and diarrhoea which can result in acute volume depletion, hypotension and shock.48
It is not clear if such dysfunction in Ebola virus disease is the result of viral infection of the
gastrointestinal tract or if it is induced by circulating cytokines or both.
Systemic inflammatory response: — Ebola virus also induces a systemic inflammatory
syndrome by inducing the release of cytokines, chemokines and other pro-inflammatory
mediators from macrophages and other cells.49
Infected macrophages produce tumor necrosis factor (TNF)-alpha, interleukin (IL)-1beta, IL-
6, macrophage chemotactic protein (MCP)-1 and nitric oxide (NO).50 These disruption
products of necrotic cells also stimulate the release of the same mediators. This systemic
inflammatory response is thought to play a role in inducing gastrointestinal dysfunction as
well as diffuse vascular leak and multi-organ failure that is seen later in the disease.
Coagulation defects: — The coagulation defects seen in Ebola virus disease appear to be
induced indirectly through the host inflammatory response. Virus-infected macrophages
synthesize cell-surface tissue factor (TF), triggering the extrinsic coagulation pathway; pro-
inflammatory cytokines also induce macrophages to produce TF.51 The simultaneous
occurrence of these two stimuli helps to explain the rapid development and severity of the
coagulopathy in Ebola virus infection.
Additional factors may also play a role in the coagulation defects that are seen with Ebola
virus disease. As examples, blood samples from Ebola-infected monkeys contain D-dimers
within 24 hours after virus challenge and D-dimers are also present in the plasma of humans
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with Ebola virus disease.52In Ebola virus-infected macaques, activated protein C is decreased
on day two but the platelet count does not begin to fall until day three or four after virus
challenge, suggesting that activated platelets are adhering to endothelial cells. As the disease
progresses, hepatic injury may also cause a decline in plasma levels of certain coagulation
factors.
Impairment of adaptive immunity: — Failure of adaptive immunity through impaired
dendritic cell function and lymphocyte apoptosis helps to explain how filoviruses are able to
cause a severe, frequently fatal illness.53
Ebola virus acts both directly and indirectly to disable antigen-specific immune responses.
Dendritic cells, which have primary responsibility for the initiation of adaptive immune
responses, are a major site of filoviral replication. In vitro, studies show that infected cells fail
to undergo maturation and are unable to present antigens to naive lymphocytes, potentially
explaining why patients dying from Ebola virus disease may not develop antibodies to the
virus.54,55
Adaptive immunity is also impaired by the loss of lymphocytes that accompanies lethal Ebola
virus infection.56Although these cells appear to remain uninfected they undergo "bystander"
apoptosis, presumably induced by inflammatory mediators and/or the loss of support signals
from dendritic cells. A similar phenomenon is observed in septic shock. However, one study
has shown that at least in Ebola-infected mice, virus-specific lymphocyte proliferation still
occurs despite the surrounding massive apoptosis, but it arrives too late to prevent a fatal
outcome.57 Discovering ways to accelerate and strengthen such responses may prove to be a
fruitful area of research.
SIGNS AND SYMPTOMS OF EBOLA VIRUS DISEASE
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EVD begins to affect infected individuals with a non-specific flu-like symptom. The
incubation period from the time of infection with the virus and onset of signs and symptoms
may appear from about2 to 21 days after exposure (average incubation period is eight (8) to
(ten) 10 days). The signs and symptoms are characterized by sudden onset of fever, headache,
intense weakness, nausea, muscle pain and sore throat.
The symptoms are then followed by vomiting, diarrhea, rash, impaired liver and kidney
function and internal and external bleeding (in some cases). Due to the extensive amount of
bleeding, most patients die of hypovolemic shock and/or systematic organ failure within 2 to
21 days of contracting Ebola virus. Death usually occurs as a result of shock due to body
fluid loss rather than blood loss. However, some patients do defervesce after about 14 days
and are able to survive the virus.58
DIAGNOSIS, TREATMENT AND VACCINE FOR EBOLA VIRUS DISEASE
In considering the diagnosis of Ebola Virus Disease, some of the more common diseases
should not be overlooked (e.g.malaria, cholera, meningitis, hepatitis). A definitive diagnosis
of EVD is confirmed through laboratory testing. No vaccine is available and there is no
specific treatment for EVD. Severely ill patients require intensive supportive care and are
usually dehydrated and at risk for other infectious diseases.
Within a few days after symptoms develop and it has been confirm that it is EVD, test such
as enzyme-linked immunosorbent assay (ELISA), polymerase chain reaction (PCR) and virus
isolation can provide definitive diagnosis. Later in the disease or if the patient recovers, IgM
and IgG antibodies against the infecting Ebola strain can be detected. Similarly, studies using
immunohistochemistry testing, PCR, and virus isolation in deceased patients are also done
usually for epidemiological purposes.48
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There is no yet approved vaccine or medicine (antiviral drug) available for treatment of Ebola
virus disease. According to Centres for Diseases Control and Prevention, standard treatment
for Ebola hemorrhagic fever is still limited to supportive therapy. Supportive therapy is
balancing the patient's body fluid and electrolytes, maintaining their oxygen status and blood
pressure, and treating such patients for any complicating infections.59
INFECTIOUS PREVENTION AND CONTROL MEASURES FOR EBOLA VIRUS
DISEASE
Preventive interventions include the following:-
Avoid handling bush meat (wild animals hunted for sustenance) and contact with bats (which
may be the primary reservoir of Ebola virus). This can reduce the risk of initial introduction
of Ebola virus into humans. Appropriate protective clothing’s, thorough cooking of animal
products before consumption is also very necessary.
Meticulous infection control in health care settings. The greatest risk of transmission is not
from patients with diagnosed infection but from delayed detection and isolation. Since the
early symptoms of EVD — fever, nausea, vomiting, diarrhea and weakness are nonspecific.
Patients may expose family caregivers, health care workers and other patients before the
infection is diagnosed.
Community engagement is vital key to successful control of EVD spread. Educating and
supporting the community to practice save burial of persons who may have died from EVD.
Reduce direct or close contact with people with Ebola symptoms particularly with bodily
fluids of the infected. Gloves and appropriate Personal Protective Equipment (PPE) should be
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worn when taking care of ill patients at home. Regular hand washing is required after visiting
patients in hospitals as well as after taking care of patients at homes.
GLOBAL TRENDS ON EBOLA VIRUS DISEASE OUTBREAKS
The 2014 West African Ebola crisis represents the largest global outbreak of a high mortality,
non-vaccine preventable contagious illness in recent history. While the outbreak has been
largely confined to Liberia, Guinea and Sierra Leone, its effects have been felt throughout
Africa and the entire world. Thousands of West Africans have succumbed to Ebola as the
outbreak has extended into densely populated areas and crossed international borders.
The ability of EVD to spread rapidly across several West African states within the short time
of the onset of the disease is a cause of concern. The virus now threatens to undermine the
security and economic prospects of the entire region. Till date, the World Health
Organization (WHO) has reported over 11,306 casualties with an estimated 28,256 people
confirmed or suspected of having contracted the disease in nine countries as at September 3rd
2015. A total of 869 confirmed healthcare workers infected with EVD and 507 confirmed
dead.60
Previous outbreaks of Ebola Virus Disease (EVD) have predominantly occurred in Central
African rainforest. Until the outbreaks of 2014 in West Africa, all known previous outbreaks
originated in Democratic Republic of Congo (than Zaire) or country sharing its border. Since
1976, 26 outbreaks of Ebola virus cases have occurred in ten(10) countries of Africa,
including Democratic Republic of Congo (DRC), Sudan, Gabon, Cote d’Ivoire, South Africa,
Uganda, Congo, Guinea, Sierra Leone and Liberia; one imported case in Nigeria, Senegal
Spain and United States of America.3
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Till date DRC is the country with the highest number of outbreaks with (7) outbreaks
followed by Uganda (5), Sudan (3) and (3) in Gabon. The unprecedented magnitude and
geographic extent of the Ebola virus Disease has overwhelmed the local response capacity,
posing as extreme challenge for the whole world.29
An outbreak outside Africa was the Reston subtype of Ebola virus; first identified in 1989 in
the United States of America, through monkeys housed in a quarantine facility in Reston,
Virginia. At least four humans became infected but none became ill. Additional outbreaks of
the Reston subtype occurred between 1989 and 1996 in Texas, Pennsylvania and Italy. No
humans suffered illness in any of these cases. The source of all the Reston subtype outbreaks
was late traced to a single facility in the Philippines that exported the monkeys.61
On 13th March 2014, the Guinean Ministry of Health issued an alert concerning an
unidentified disease. World Health Organization (WHO) announced its involvement that
same day thinking that the outbreak was Lassa fever or viral hemorrhagic fever which is
highly prevalent in West Africa. After laboratory tests, it was confirmed that the hemorrhagic
fever outbreak was caused by the Ebola virus.62
The first victim of this outbreak was an 18-month-old boy from an area close to where
Guinea shares a border with northern Liberia. The child died on 28thDecember,
2013.Guineashares borders with Liberia and Sierra Leone, other factor is the socio cultural
ties amongst these countries make it easy for the virus to spread quickly. Within days of the
WHO announcement of the EVD outbreak in Guinea, both Liberia and Sierra Leone had
announced EVD cases outbreaks.63
On April 1, 2014, Guinea reported 24 confirmed cases of EVD. Liberia had 2 confirmed
cases to report and Sierra Leone was monitoring 2 probable cases of EVD infection. By late
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April 2014, Guinea had reported 208 “clinical cases” of EVD and 136 deaths. Efforts to
identify those who had come into contact with individuals suffering from the illness led
medical authorities to place 217 others in Guinea under medical observation.64
According to World Health Organization, Liberia had 34 probable cases of EVD with 6
confirmed cases and 6 deaths at the time. Liberia had 162 total contacts to trace, 59 of whom
had completed the 21-day follow-up period and were no longer under medical observation.
Sierra Leone reported its first EVD case on 25thMay 2014.By the end of May 2014, WHO
reported that Sierra Leone had 50 clinical cases of EVD and 6 deaths spread across 5 distinct
geographical regions. Guinea had 291 clinical cases of EVD with 193 deaths spread across
seven regions.65
On 17thJune 2014, the Liberian government announced that Ebola was present in its capital,
Monrovia. Later that month, health authorities reported a total of 618 EVD cases and 357
EVD deaths. Infection and fatality statistics as at 30thJuly 2014 indicated that the total
number of cases of EVD had reached 1,440 with 826 deaths. By the end of month, the
Government of Liberia had quarantined communities most at risk and put troops in place to
enforce the quarantine.66
On 2ndAugust2014, an American doctor who had been working as a missionary physician in
Liberia was flown to Atlanta, Georgia, for treatment after contracting EVD. A second
American, a missionary nurse with EVD was flown to Atlanta from Liberia for treatment 3
days later. On 8thAugust 2014, the World Health Organization (WHO) declared that EVD
represent a “Public Health Emergency of International Concern” (PHEIC) and urged the
international community to take action to stop the spread.67
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A Spanish priest who had been working in Monrovia, Liberia, contracted EVD and was
flown to Spain for treatment where he died on 12thAugust 2014. On August 2014, a British
healthcare provider was also flown back to the United Kingdom after reportedly contracting
EVD in Sierra Leone.
Mali reported its first confirmed Ebola case on October 23, 2014 when a two-year-old girl
admitted to a hospital in Mali on 22nd October 2014 died on 24th October 2014. No
secondary infections linked to this case. There was also a case of an Imam from Guinea that
was admitted to hospital for renal failure in a hospital in Mali that subsequently died.
Diagnosis not made until after one of his caregivers became ill and after thousands attended
his funeral 7 additional cases and 5 deaths were linked to this case.
Following a heightened sense of panic, tightened restrictions on travel and trade have begun
to take a toll on the economies of the countries affected. Tourism and export revenues have
been hit hard while multinational companies have threatened to halt their operations in the
region. There is no doubt that the epidemic is becoming a global pandemic with potential to
continue to spread beyond the West African stronghold further.
The wider risks and implications of the epidemic are becoming more evident in endemic
region as entire communities are placed in quarantine and frontiers closed. Riots have erupted
in certain areas where the infected – and those with whom they have had contact – have
simply been confined without proper medical attention or even food and water. Furthermore,
border closures and travel bans are largely ineffective (or even counterproductive) given the
region’s porous land frontiers.
Global responses and the current collective mood is one of crisis management, efforts to
improve local healthcare capacities in Liberia, Sierra Leone and Guinea. The Centers for
Disease Control and Prevention (CDC), its leading public institution for infectious diseases
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(with over 15,000 employees and a yearly budget of $11.3 billion), has sent a rotating team of
70 experts to assist West Africa and gather any information which could assist in the
effective diagnosis and further understanding. The experimental treatment ZMapp (already
used for Ebola patients with a varying degree of success) is made by the American firm Mapp
Biopharmaceutical, a company with which the US Department of Health has signed a $25
million contract.
The international community’s response to Ebola particularly African institutions such as the
Economic Community of West African States (ECOWAS) and the African Union (AU) have
expressed their support for the fight against Ebola, their resources are scarce and local leaders
seek primarily to protect their own countries.
The success of containment is therefore in large part contingent on the ability of international
actors to act fast – and in concert – so as to ensure that the spread of Ebola is effectively
halted and that the disease is ultimately vanquished.
THE OUTBREAK OF EBOLA VIRUS DISEASE IN 2014 IN NIGERIA
An acutely ill traveller from Liberia arrived Lagos by air on 20th July 2014 via Lome, Togo,
and Accra, Ghana. He was hospitalized immediately at the First Consultant Hospital,
Obalende; blood specimen examined at Lagos University Teaching Hospital (LUTH)
indicated the presence of acute Ebola virus infection. On arrival at the airport the index case
had contacts with 15 airport staff and 44 persons at the hospital. The index case died 5 days
later.68
Prior to the current outbreak, Nigeria has not had an occurrence of the disease hence the
scenario created public fear, panic and confusion, as is usually seen in outbreaks of
previously unknown diseases.69 Consequent upon the above, the Federal Ministry of Health
and the Nigerian Centers for Disease control (FMOH/NCDC) in collaboration with the Lagos
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State Ministry of Health and partner Agencies established an Ebola Emergency Operations
Centre (EEOC), the use of an Incident Management System (IMS) and all public health
assets available to the Federal and Lagos State government were used to contained the spread
of the disease.
On the 20th of October 2014, the WHO declared Nigeria free of EVD. This was after 42 days
with no new case of EVD and now considered free of Ebola transmission. Modern-day
mobility is a widely recognized conduit for the rapid spread of highly contagious diseases as
demonstrated by one particular case in Senegal which involved several actors from the same
family spread across the region. In Nigeria, a cluster of Ebola cases were sparked by a
traveller from Liberia.
The fundamental controls for all infectious outbreaks are based on enhanced hand-hygiene,
cough and sneezing etiquette, social distancing, sick-contact isolation and environmental
cleaning. Appropriate messaging, supplies and signage are often the best preventative
strategies to mitigate infectious diseases.
We all live in a global community; strategic plans assert a human outbreak anywhere means
risk everywhere. With the recent EVD resurgence in Liberia and Sierra Leone, Nigeria must
note relent in strengthening her preparedness and readiness against the reemergence of EVD.
PUBLIC HEALTH EMERGENCY PREPAREDNESS AGAINST EBOLA VIRUS
DISEASE
The World Health Organization (WHO) declared on August 8th, 2014 that EVD “Public
Health Emergency of International Concern” and urges the international community to take
action to stop the spread.62EVD is an active haemorrhagic illness with 90% case fatality rate,
is currently an epidemic in some countries in West Africa; although the WHO had declared
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Nigeria and Liberia free of Ebola its reemergence in Liberia on May 9th, 2015 make it a
public health concerns.
Based on the anticipated risks for the resurgence of Ebola to Nigeria, the WHO organization
recommends that all high risk and medium risk countries strengthen their respective country
preparedness and readiness to EVD.70
Public health emergency preparedness and response efforts seek to prevent epidemics and the
spread of disease, protect against environmental hazards, prevent injuries, promote healthy
behaviors, and assure the quality and accessibility of health services. Each of these is
expected by the public and each is evident in effective preparedness and response related to
public health emergencies. Together they make preparedness and response a special and
particularly critical component of modern public health practice.
Public health emergencies, preparedness and response are inextricably linked.71 Preparedness
is based on lessons learned from both actual and simulated response situations. Effective
response and containment of a potential outbreak of EVD in any country can only be
achieved through anticipation, preparedness and readiness for response in the event of an
outbreak.
With proper preparedness and readiness at country level, Ebola can easily be contained, and
the consequential possible impact on health care systems and the society at large can be
minimized. Against this background, the WHO overarching objectives for the Ebola response
roadmap includes strengthening preparedness of all countries to rapidly detect and respond to
the potential introduction of Ebola in States currently not affected by the outbreak and in
response to the on-going outbreak in West Africa.72
This study tends to assess the level of preparedness of residents in Agege, Ikeja and Mushin
Local Government Areas of Lagos State against EVD Resurgence. Ebola outbreak is a health
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related event or disaster, that could come in various forms and may seem to be increasing in
frequency, scale and complexity. As a result, households, organizations, and residents must
continue to devise effective means for protecting themselves against those threats.
In discussing and thinking about preparedness, several important points should be kept in
mind. First, preparedness can be viewed and measured at different levels of analysis. At one
extreme, for instance, individuals and households can take protective measures such as
engaging in good hygienic behavior like watching hands with soap and water, using hand
sanitizer and avoiding contact with a person who is sick of Ebola disease etc.
At another extreme, as part of support to Member States, and within the context accounting to
the context of the International Health Regulations (IHR 2005).73 Countries can provide
capacity-building for public health events.
Preparedness is a matter of degree, ranging from low to high and very over time and across
locations with some households engaging in few or no preparedness activities and others
undertaking as many precautionary measures as possible.
At the household and organization levels of analysis, researchers typically use checklists to
measure disaster preparedness, asking respondents to indicate which activities they have
undertaken.74
KNOWLEDGE, ATTITUDE AND PRACTICES (KAP) ON EBOLA
VIRUS DISEASE STUDIES IN AFRICA AND BEYOND
Literature review was conducted based on the study’s specific objectives. The information
gathered was used to have a broader view on the public knowledge, attitude and practices on
Ebola Viral Infection. However, there was paucity of information on EVD preparedness level
before the recent outbreak in Liberia.
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Within the continent, EVD outbreaks have been confined to Central and East Africa until the
2014 outbreak in West Africa (WA). Since EVD was discovered in Africa in 1979, about
twenty six (26) outbreaks have occurred.75
Studies on Knowledge of Ebola Viral Disease
In September 2014, Saheed Gidado Abisola, M. Oladimeji,Alero Ann Roberts et al carrired
out a study on Public Knowledge, Perception and source of information on Ebola virus
Disease in Nigeria. The objectives were to assess the public preparedness level to adopt
disease preventive behavior which is premised on appropriate knowledge, perception and
adequate information.85 An interview administered questionnaire on 5,322 respondents in the
twenty LGAs of Lagos State. Thirty three percent of respondents do not know the cause of
EVD, Forty one percent of the respondents possessed satisfactory general knowledge; 44%
and 43.1% possessed satisfactory knowledge on mode of spread and preventive measures,
respectively. Sixty-six percent and 49% of respondents mentioned regular hand washing
with soap and water, and avoiding contact with EVD case or suspect, respectively as a
preventive measure to prevent EVD. Sixteen percent mentioned avoiding eating bush meat
while 5% mentioned not participating in the burial rite of a person who died of EVD.
The findings indicate a gap in EVD related Knowledge and perception. There is a need for
targeted public health messages to raise knowledge level, correct misconception and
discourage stigmatization should be widely disseminated, with television and radio as media
of choice.
In a similar study on Public Knowledge, Attitudes, and Practices Relating to Ebola Virus
Disease (EVD) Prevention and Medical Care in Sierra Leone 2014. It was observed that the
comprehensive knowledge on EVD prevention by the public is generally low. Only 39% of
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the respondents were able to identify three means of prevention and rejected three
misconceptions. Also it was found out that everyone (100%) is aware of EVD and 97% of the
respondent surveyed belief EVD exist in Sierra Leone.76
Comprehensive knowledge of Ebola transmission and prevention is a prerequisite, although
Insufficient in itself, for the adoption of behaviors that reduce the risk of EVD. Correct
knowledge of the false modes of transmission is as important as knowing the correct modes –
and enables one to better understand how to protect oneself.
In August 2014, UNICEF and partners carried out a study on public Knowledge, attitudes
and practices related to EVD prevention and medical care in Sierra Leone. The objectives
were to examine public KAP related to EVD, identify barriers hindering containment of
disease, and use the study to inform evidence based strategies in preventing the transmission
of EVD and caring for those infected and affected by the outbreak.77 Key findings of the
study highlighted good level of awareness and low denial of EVD, low comprehensive
knowledge.
Another study was sponsored by Start Fund in Sierra Leone.78 The aim was to find out if
sensitization was effective in changing behavior to prevent Ebola transmission. One month
after the first case of EVD was reported in the country. Start Fund through its partners
responded by focusing on social mobilization and sensitization for 6 weeks. From 28 June to
12 August, the campaign reached 26% of the country’s approximately 6 million people.
Eighty eight percent of the people reached opined that the campaign against Ebola was a way
for the government and NGO’s to make money. At the end of the 45 day campaign, there was
an increase from 39% to 85% of households that could correctly identify EVD prevention
methods but there was no significant improvement in the time it takes for potential cases to
seek care.78 Importantly though, specific changes like reduced attendance at funerals,
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increased hand washing and using gloves, decreased hand shaking and better precautions
from frontline health workers were observed.
Studies on Attitude of Ebola Viral Disease
A study on Public Knowledge, Attitudes, and Practices Relating to Ebola Virus Disease
(EVD) Prevention and Medical Care in Sierra Leone 2014.
A positive attitude towards preventive measures was also reported. Majority of respondents
reported behavioral change due to the comprehensive knowledge on the causes of EVD.
Radio was the preferred mean of receiving information and 96% of respondents reported
some discriminatory attitude towards suspected victims and survivors of disaster.77
Respondents mentioned that health professionals and government agencies are the most
trusted sources of information.
However, a study in Sierrra Leone conducted by Catholic Relief Service in conjunction with
UNICEF and FOCUS 1000, found out that nearly everyone (95%) is reporting some change
in behavior since learning about Ebola. However, the percentage of people reporting that they
avoid physical contact is alarmingly low (36%).76
Studies on Practices of Ebola Viral Disease
In March 2015, the Knowledge, Attitudes and Practice (KAP) study was conducted between
December 7th and 22nd, 2014, to gauge the success of social mobilization efforts to educate
the general public on key Ebola prevention messages in the country. The study design
included quantitative and qualitative components. A questionnaire survey from a
representative sample of 1,140 households was conducted in 6 purposively selected counties
(Montserrado, Grand Gedeh, Lofa, Nimba, River Cess and Grand Cape Mount). Counties
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were selected to cover a range in the timing and impact of the Ebola epidemic in different
parts of Liberia. The findings of the study indicated that the results demonstrate a high degree
of community mobilization against Ebola in all of the sampled counties. Virtually all
Liberians had heard about Ebola, accepted that Ebola was real, could identify the most
common symptoms and name at least 3 ways of avoid becoming infected. Overwhelming
agreement with intended behaviours such as isolation of those with symptoms, early
treatment and safe burial show a newly emerged consensus supporting public health
recommendations. Comparable levels of reported behaviour change in areas such as increased
hand washing and reduced physical contact suggest new behaviour norms were being put into
action across sampled communities by this stage in the Ebola epidemic. Perhaps the most
striking finding is the high degree of community engagement in the response, where people
were not only changing their own behaviour but interacting with family, friends, and
neighbours to encourage them to do the same. Survey results found nearly half of respondents
had engaged in some form of community action since the start of the epidemic.
Overall 93% of respondents reported they first learned about Ebola through the radio. The
next most common sources of information about Ebola were interpersonal communication
with family, friends and neighbors (39%) and house to house visits by health extension
workers (36%). Focus group discussions suggested radio reports, health visits and person-to-
person interaction sometimes worked to mutually reinforce each other.79
A study on the KAP of care professional regarding EVD was carried out in India in
August/September 2014. The study found satisfactory knowledge, attitude and practices
(<50% score) among 73.6%, 83.1% and 69.2% of the participants respectively.80
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CHAPTER THREE
MATERIALS AND METHODOLOGY
DESCRIPTION OF STUDY AREA
Lagos State was created in 1967 out of the former western region by the then regime of the
Military Head of State; General Yakubu Gowon (GCON) with its capital in Ikeja.
Location/Extent
The State is located in the south- western part of Nigeria on the narrow coastal flood plain of
Bight of Benin. It lies approximately on longitude 20 420 E and 3 220 E East respectively and
between latitude 600 220 N. Lagos State shares boundaries with Ogun State of Nigeria both
in the North and East and is bounded on the west by the Republic of Benin and in the South
by the Atlantic Ocean. It has five administrative divisions of Ikeja, Badagry, Ikorodu, Lagos
Island and Epe.
Lagos State has population of about 17.5 million.81 Administratively, the State has 20 Local
Government Areas (LGAs).82 Lagos is a highly heterogeneous state comprising ethnic
groups from virtually all over the country and home to significant international populations.
There are 379 wards spread across these 20 LGAs with 276 Primary Health Care Centers
(PHCC) which serve as the first points of contact for citizens seeking health care services.
The smallest State in the Federation, it occupies an area of 358,862 hectares or 3,577 square
kilometers, 22% (or 787sq. km) which consists of lagoons and creeks. Lagos State is the
nation's economic nerve center with over 2,000 industries. Sixty five percent of the country's
commercial activities are carried out in the state. In addition, it served as the nation busiest
airport with two terminals international and cargo. Two of the nation's largest seaports -
Apapa and Tin-Can Ports are located in the State. The State is also a tourist center with many
tourism zones namely: Bar Beach Water; Lekki-Maiyegun resort; Kuramo Water; Epe-
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Marina Cultural zone; Badagry Marina Recreation etc. Other prominent tourist attractions in
the State include; City Hall (Headquarters of the Lagos Island Local Government); the
National Arts Theatre, Iganmu; National Museum, Onikan; Holy Cross Cathedral, Lagos, the
seat of Catholic Archdiocese; Relics of Brazilian and other colonial quarters; the site of the
fallen Agia tree, Badagry, where Christianity was first preached in Nigeria in 1842; Oso-
Lekki Breakwaters.
There is also the Eyo festival which is held to mark important events in the state. While the
State is essentially a Yoruba speaking environment, it is nevertheless a socio-cultural melting
pot attracting both Nigerians and foreigners alike.
The population of the three local Government Areas covered by this survey includes; Agege
with an estimated population of 1,033,064, Ikeja 648,720 and Mushin 1,321,517.83 There are
30 Primary Health Care Centers (PHCC) in these three Local Government Areas which serve
as the first points of contact for citizens seeking health care services.
STUDY DESIGN
The study was a descriptive; community-based cross-sectional survey assessing the level of
preparedness amongst residents of Agege, Ikeja and Mushin Local Government Areas of
Lagos State against EVD Resurgence.
STUDY POPULATION
The population was individuals aged 18 years and above who live or trade in the
communities studied. The criteria for any respondent to be eligible for recruitment for the
survey was that (s)he must have lived in the area for not less than three (3) months.
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SAMPLE SIZE DETERMINATION
The minimum sample size was determined using Cochran’s formula.84 The sample size for a
Cross-sectional study design is given as n=Z2pq/d2
p = estimated prevalence rate of knowledge of (58%). Gotten from previous similar
work done on the topic.85
q = 1-p
d = margin of error (0.05)
z = Confidence interval (Z score for 95% CI = 1.96)
𝑛 =
1.962
∗ 0.58(1 − 0.58)
0.05²
= 374.32
Anticipating a response rate of 90% was made by dividing the sample size calculated with a
factor f that is n/f, where f is the estimated response rate. Thus the calculated sample size
=374/0.09. The sample size is 416.
INCLUSION CRITERIA
Individuals of the household must be 18 years and above and live or trade in Agege, Ikeja and
Mushin LGAs for not less than 3 months.
EXCLUSION CRITERIA
Individuals of the household below 18 years who do not live or trade in Agege, Ikeja and
Mushin LGA for less than 3 months.
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SAMPLING METHODOLOGY
A multi-stage sampling was used. Multistage refers to sampling plans where the sampling is
carried out in stages using smaller and smaller units at each stage.
Stage one:
Using simple random sampling (SRS) method, three local government areas (LGAs) were
selected from the sampling frame of twenty (20) LGAs in Lagos State. The selected local
government areas were Agege, Ikeja and Mushin.
Stage two:
The three (3) selected LGAs have 22 political wards from which, 5 wards per LGA were
selected from each LGA using simple random sampling method from the list of wards in each
LGA making a total of 15 wards. To select residents for the study, I divided my sample size
(416) by three (3) which represent the LGAs. This gave 139 study participants per LGA.
Thereafter, I divided the 139 per LGA by five (5) which represent the wards in each LGA
selected, this cumulated to 28 residents per ward in each of the three (3) selected LGAs.
To this end, having gotten the street names per ward from the three (3) LGAs information
officers, each street per ward was listed alphabetically in their name.
Stage three:
Using SRS method, four streets in each ward were selected alphabetically interviewers
visited the first street house starting from the first house on the right side of street. Any
respondent who met the inclusion criteria was selected from each house, in other to meet the
28 residents per ward.
In multi-dwelling houses, one household was selected using SRS method from each house
by balloting.
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DATA COLLECTION TOOL AND TECHNIQUE
Data was collected using a structured paper-based interviewer administered questionnaire; it
was both open-ended and close-ended. The questionnaire was written in English Language.
The three (3) interviewers who are Corps members serving with National Emergency
Management Agency (NEMA) were trained to administer the questionnaires and interpret it
to respondents who may not understand English well enough. The collection of data lasted
for two (2) months (July and August 2015).
The survey questionnaire which contains 21 items was adapted and modified from several
studies on knowledge, attitude and perception, level of Preparedness against EVD resurgence
and practices regarding EVD.19
The questionnaire was structured in this format to elicit
response from the respondents.
Section A: Socio-demographic characteristics
The variables are:
Age: in years as at last birthday.
Sex: male and female.
Occupation: categories (professional, intermediate, manual skilled, non-manual skilled,
unskilled)86
Professional: medical doctors, lawyers, architects
Intermediate: civil servant, banker, insurance brokers, stock brokers
Manual skilled: artisans
Non- manual skilled: office clerk, office assistants
Unskilled: traders, unemployed, housewives, students
Religion: Christian, Islam, Traditional and other
Highest level of education: None, Primary, Secondary, Tertiary
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How long have you been resident here? Individuals of the household must be 18 years and
above and live or trade in the communities studied for not less than 3 months
Have you ever heard about Ebola Disease? Only residents that have heard of Ebola were
interviewed and submitted for analysis.
Section B: Knowledge of Ebola Viral Disease
The variables are:
What causes Ebola disease? (multiple responses allowed)
How Ebola can be spread
When the signs of illness are begin after the Ebola virus enters the body
Is there a specific drug/ remedy to treat Ebola disease
Is there a specific vaccine to treat Ebola Disease?
How can you prevent yourself from contracting Ebola Disease?
Section C: Sources and Channel of Information regarding EVD
The variable is: How did you hear about Ebola virus disease (multiple responses allowed)
Section D: Attitude and Perception regarding EVD
The variables are:
Do you think Ebola virus disease is a problem in Lagos (multiple responses allowed)
Do you think you are in danger of infection with Ebola virus disease?
Do you think government can do more to contain Ebola virus disease?
Section D: Level of Preparedness against EVD resurgence
The variable: What is done to prevent risk of spread of EVD at home or work, using five key
practices, which are regular hand washing with soap and water, regular use of hand sanitizer,
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avoidance of bushmeat, not touching people with EVD, non-participation in burial rites and
what is done if a family member, relative/neighbor develop signs of Ebola.
PRE-TESTING
The questionnaires were pre-tested in assigned selected streets in Suru-lere LGA of Lagos
State which is not included in the sample. Feedbacks from the pre-test were used to improve
the questionnaire.
INFORMED CONSENT
Respondent’s informed consent duly obtained after explaining the purpose and procedure of
the Research. This is in line with the “Helsinki Declaration” which emphasis the need for
confidentiality of their responses, assured of voluntary participation and the opportunity for
them to withdraw at any time without prejudice.
ETHICAL CONSIDERATIONS
Ethical approval was gotten from the Human Research and Ethics Committee (HREC) of the
Lagos University Teaching Hospital and Informed consent was sought from each participant
before the commencement of the exercise.
METHODS OF DATA ANALYSIS
The data gathered were analysed by Epi-info 3.5.4 and reported as frequencies and
percentages. Also associations between variables were tested statistically using Chi-square
and reported at a significance level of p < 0.05. The knowledge will be based on three EVD
domains; mode of spread, symptoms and signs and preventive and control measures. scores
were assigned to correct responses mentioned by respondents. Furthermore stratified analysis
was done on satisfactory knowledge to access knowledge across each domain.84
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Scoring of response
Knowledge of Ebola Viral Disease-each correct response of the knowledge question was
scored 1 mark and a wrong answer or non-response was scored 0. Total score achievable was
27 marks: 16 marks and above was categorized as satisfactory, below 16 marks was
categorized as poor.
Attitude and perception regarding Ebola Viral Disease- a set of 9 questions were used to
evaluate overall level of attitude and perception of respondents to EVD. The maximum
achievable score for attitude and perception was 9 marks. Respondents who scored 6 marks
and above were categorized as positive attitude and perception while respondents that scored
below 5 marks had a negative attitude and perception.
Practices regarding Ebola viral Disease- Overall level of preparedness by Respondents
against EVD resurgence. The maximum achievable for level of preparedness was 6 marks.
Respondents who scored 4 marks and above were categorized as high level of preparedness
while respondents that scored below 4 marks had low level of preparedness.
LIMITATION OF THE STUDY
Self-Reported behaviours may not always be arrayed with respondent’s actual practices.
Current desirable responses may be claimed due to high awareness, sensitization of EVD
being undertaken. Moreover, the study is a new research area; literature reviews documents
particularly preparedness level against EVD resurgence was difficult to get.
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CHAPTER FOUR
RESULTS
A total of 416 questionnaires were administered to the respondents. Three hundred and ninety
said yes they have heard about Ebola Disease (93.98%) and were interviewed and submitted
for analysis. While 26 respondents said they have not heard about Ebola Disease (6.02%) and
no further analysis was done.
Table 1: Respondents used in the study
Heard about Ebola Disease (n=416) Number of respondents (%)
Yes 390 ( 93.98)
No 26 (6.02)
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Table 2: Socio-demographic characteristics of respondents
Socio-demographic characteristics (n= 390) Frequency (%)
Age distribution (in years)
<20 19 (4.6%)
21-30 130 (31.3%)
31-40 153 (36.8%)
41-50 70 (16.8%)
51-60 23 (5.5%)
> 60 21 (5.0%)
Sex
Male 215 (51.7)
Female 200 (48.1)
Religion
Christianity 249 (59.9)
Islam 158 (38.0)
Traditional 8(1.9)
Others 1 (0.2)
A total of 390 respondents were interviewed. Fifty one point seven percent were male; the
mean age was 41 years (+35.7 years). Majority of the respondents were Christians (59.9%)
(Table 2).
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Table 3: Socioeconomic characteristics of respondents
Highest level of formal education Frequency (%)
None 5 (1.2)
Primary 24 (5.8)
Secondary 140 (33.7)
Tertiary 247 (59.4)
Occupation
Professional 25 (6.0)
Intermediate 38 (9.1)
Manual Skilled 50 (12.0)
Non- Manual Skilled 27 (6.5)
Unskilled 209 (50.2)
Duration of Residency
< 1Year 93 (22.3)
> 1Year 323 (77.6)
The respondents were largely with tertiary education (59.4%) and (77.6%) of the respondents
have lived in the survey area for more than one year and were mainly traders, unemployed,
students or housewives (50.2%) (Table 3).
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Table 4: Knowledge score of respondents on causes of Ebola disease
What causes Ebola disease Correct (%) Incorrect (%)
From infected animals 301 (77.0) 89(23)
Contact with a person who is sick of Ebola
disease
241 (57.9) 149 (42.1)
Touching blood, urine, stool or saliva from a
person who is sick with Ebola disease
190 (48.6) 200 (51.4)
Sharing sharp objects such as razors, needles,
etc. with a person who has Ebola disease
148 (37.9) 242 (62.1)
Contact with beddings, clothing and
other personal utensils (plates, cups)
119 (30.4) 271 (69.6)
Participating in burial rites of a person
who has died from Ebola Disease
98 (25.1) 292 (74.1)
Seven-seven percent of the respondents believed that EVD is caused by infected animals to man,
57.9% of the respondents mentioned that it is caused by contact with a person who is sick of
EVD. However, 74.1% incorrectly said that participating in burial rites of a person who has died
from Ebola disease cannot cause EVD. This is a major key knowledge (Table 4).
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Table 5: Knowledge on the spread of Ebola Viral disease (n=390)
What causes Ebola disease Correct (%) Incorrect (%)
From infected animals to man 271 (69.3) 119 (30.7)
Touching blood, urine, stool or saliva from a
person who is sick with Ebola disease
221 (56.5) 169 (43.5)
Contact with a person who is sick of Ebola
disease
201 (51.4) 189 (48.6)
Sharing sharp objects such as razors, needles,
etc. with a person who has Ebola disease
139 (35.5) 251 (64.5)
Contact with beddings, clothing and other
personal utensils (plates, cups) of a person
who is sick of Ebola disease
130 (33.2) 260 (66.8)
Participating in burial rites of a person
who has died from Ebola Disease
110 ( 28.1) 280 (71,9)
Sixty nine point three percent of the respondents correctly mentioned EVD is spread through
infectious animals to man. While 56.5% of the said that is through touching blood, urine,
stool, or saliva from a person who is sick of EVD and 71.9% incorrectly mentioned that by
participating in burial rites of a person who has died from Ebola disease cannot spread the
disease (Table 5).
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Figure 1: Knowledge of Signs and Symptoms of Ebola Viral Disease mentioned by
respondents (n=390)
The top three signs and symptoms of EVD mentioned by respondents were diarrhea (94.0%),
fever (52.6%) and weakness (45.9) (Figure 1).
21.9
24.0
26.4
32.2
36.1
43.8
45.9
47.1
52.6
94.0
0.0 20.0 40.0 60.0 80.0 100.0
Rash on the body
Sore throat
Body pains
Abnormal bleeding from any part of…
General feeling of unwell
Headache
Weakness
Vomiting
Fever
Diarrhoea
Percentage (%)
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Table 6: Knowledge on when signs of illness of Ebola Viral Disease begins by
Respondents (n=390)
When do signs of illness begin after
the EVD enters the body
Correct (%) Incorrect (%)
Between 2 and 21 days 208 (60.5) 182 (39.5)
Only (60.5% 0.0%) of the respondents knew the correct duration before signs of illness of
Ebola Viral Disease begins. Indicated that the signs of illness of EVD begin between 2 and
21 days which is good knowledge (Table 6).
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Figure 2: Knowledge on sources and channels of information regarding EVD (n=390)
Figure 2 shows the sources of information on EVD. Majority respondents 84.1% heard about
EVD from radio, 83.8% got the information through television. While 7.7%, 14.3%, 6.1%,
7.2%, 17.4%, 12.6%, 10.3%, 11.5%, 10.6%, 25.6%, 15.4%, 25.6%, 24.8%, 23.5% heard
about EVD from journal, newspapers, town announcer, mosque, church, family member,
peers, health facility, flyer, internet site, social media, GSM/SMS, market, neighbourhoods
respectively (Figure 2).
0
10
20
30
40
50
60
70
80
90
Radio
Television
Journal
Newspaper
Townannouncer
Mosque
Church
Familymember
Peers
Healthfacility
Flyer
Internetsites
SocialmediaN
GSM/SMS
Market
Neighbourhood
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Table 7: Level of preparedness against Ebola Viral Disease resurgence
What do you do at Home/work to
Reduce the risk of exposure?
Correct (%) Incorrect (%)
Regular hand wash with soap and water 321 (82.3) 69 (17.7)
Regular use of hand sanitizer 217 (55.6) 173 (44.4)
Avoid eating bush meal 112 (28.7) 278 (71.3)
By not touching a person with suspected Ebola
infection
92 (23.6) 298 (76.4)
By not participating in burial rites of a person
that dies of Ebola disease
57 (14.7) 333 (85.3)
Majority (82.3%) of respondents correctly identified regular hand wash with soap and water,
55.6% the respondents said they use hand sanitizer. while 28.7% respondents avoid eating
bush meat and 85.3% incorrectly said they will participate in burial rites of a person that
died of Ebola disease (Table 7).
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FFigure 3: Overall level of knowledge of respondents on EVD
The overall level of knowledge shows of the 309 respondents, 281.68% possessed satisfactory
knowledge on the Ebola while 135.32% possessed poor knowledge (Figure 3).
135, 32%
281, 68%
Poor
Satisfactory
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Table 8: Knowledge score of respondents on EVD across all domains
Respondents with good knowledge across all domains
LGA Mode of
spread
Symptoms
& Signs
Preventive
measure
Level of
Preparedness
Knowledge in all
domains
Ikeja (139) 21(15.1%) 41(29.5%) 4(2.9%) 3 (2.2%) 10 (7.2%)
Agege (136) 21 (15.4%) 3(23.5%) 2 (1.5%) 2 (1.5%) 3 (2.2%)
Mushin
(141)
20 (14.2%) 29 (20.6%) 6(4.3%) 8 (5.7%) 13 (9.2%)
All
respondents
62 (15.0%) 102 (24.5) 12(2.9%) 13 (3.1%) 26 (6.2)
Knowledge across all domains shows that of the 390 respondents, 6.2% possessed
satisfactory knowledge in all three domains. 15%, 24.5%, 2.9% and 13.1% possessed
satisfactory knowledge in signs and symptoms, preventive measures and mode of spread and
level of preparedness (Table 8).
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Table 9: Association between Socio-demographic characteristics of respondents and
their Knowledge of EVD (n=416)
Variable Knowledge of EVD (%)
X2 df p-value
Poor Satisfactory
Age
< 20 8 (42.1%) 11 (57.9%) 19 8.476 6 0.205
21-30 42 (32.3%) 88 (67.7%) 130
31-40 43 (28.1%) 110 (71.9) 153
41-50 23 (32.9) 47 (67.1%) 70
51-60 9 (39.1%) 14(60.1%) 23
> 60 10 (43.5%) 11 (56.5%) 21
Sex
Female 59 (29.5%) 141 (70.5%) 200 1.531 1 0.216
Male 76 (35.2%) 140 (64.8%) 216
Religion
Christian 70 (28.1%) 179 (71.9%) 249 6.034 3 0.110
Islam 62 (39.2) 96 (60.8) 158
Traditional 3 (37.5%) 5 (62.5%) 8
Others 0 (0%) 1 (100.0%) 1
There was no statistically significant relationship between age and knowledge (p=0.205), sex
and knowledge (p=0.216) and religion and knowledge (p=0.110). This means age, sex and
religious does not determine the level of knowledge of respondents towards the prevention
and spread of EVD (Table 9).
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Table 10: Association between Socio-economic characteristics of respondents and their
Knowledge of EVD (n=390)
There was a statistically significant association between educational status and knowledge
(p=0.000) and occupation and knowledge (p=0.001). This buttresses the fact that the higher
the educational level and professionalism, the higher the knowledge of respondents on EVD
prevention (Table 10).
Variable Knowledge of EVD (%) X2 df p-value
Poor Satisfactory Total
Highest level Education
None
5 (100.0%) 0 (0%) 5 23.968 3 0.000
Primary 14 (58.3%) 10 (41.7%) 24
Secondary 52 (37.1%) 88 (62.9%) 140
Tertiary 64 (25.9%) 183 (74.1%) 247
Occupation
Professional 1 (4.0%) 24 (96.0%) 38 21.124 5 0.001
Intermediate 4 (10.5%) 34 (89.5%) 36
Manual
skilled
17 (34.0%) 33 (66.0%) 50
Non-manual
skilled
9 (33.3%) 18 (66.7%) 27
Partly skilled 26 (38.8%) 41 (61.2%) 67
Unskilled 78 (37.3%) 131 (62.7%) 209
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Table 11: Association between Socio-demographic characteristics of respondents and
their Attitude and perception of EVD (n=390).
Variable Attitude and perception (%) X2 df p-value
Negative Positive Total
Age
< 20 15 (78.9%) 4 (21.1%) 19 8.802 6 0.185
21-30 66 (50.8%) 64 (49.2%) 130
31-40 83 (54.2%) 70 (45.8%) 153
41-50 43 (61.4%) 27(38.6%) 70
51-60 14 (60.9%) 9 (39.1%) 23
> 60 15 (77.3%) 6 (22.7%) 21
Sex
Female 111 (55.5%) 89 (44.5%) 200 0.238 1 0.626
Male 125 (57.9%) 91(42.1%) 216
Religion
Christian 138 (55.4%) 111 (44.6%) 249 6.034 3 0.110
Islam 92 (58.2%) 66 (41.8%) 158
Traditional 5 (62.5%) 3 (37.5%) 8
Others 1 (0%) 0 (100.0%) 1
There was no statistically significant relationship between age and attitude and perception
(p=0.185), sex and attitude and perception (p=0.626) and religion and attitude and
perception (p=0.110) this indicates that age, attitude and perception, sex and religion does not
determine a person’s level of knowledge towards the prevention of EVD (Table 11).
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Table 12: Association between Socio-economic characteristics of respondents and their
Attitude and perception regarding of EVD.
There was no statistically significant relationship between highest level of education and
attitude and perception (p=0.271). However, there was statistically significant relationship
between occupation and attitude and perception (p=0.001). This supports the fact that
professionalism can determine attitudinal change and perception towards EVD prevention
(Table 12).
Highest level Education
None 4 (80.0%) 1 (20.0%) 5 3.916 3 0.271
Primary 17 (70.8%) 7(29.2%) 24
Secondary 74 (52.9%) 66 (47.1%) 140
Tertiary 141 (57.1%) 106 (42.9%) 247
Occupation
Professional 18 (72.0%) 7 (28.0%) 38 21.124 5 0.001
Intermediate 23 (60.5%) 15 (39.5%) 36
Manual
skilled
26 (52.0%) 24 (48.0%) 50
Non-manual
skilled
19 (70.4%) 8 (29.6%) 27
Partly skilled 37 (55.2%) 30 (44.8%) 67
Unskilled 113 (54.1%) 96 (45.9%) 209
Variable Attitude and perception (%) Total X2 df p-value
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Table 13: Association between Socio-demographic characteristics of respondents and
their Level of Preparedness against of EVD resurgence
Variable Level of preparedness (%) X2 Df p-value
Low High Total
Age
< 20 16 (84.2%) 3 (15.8%) 19 8.9333 6 0.177
21-30 88 (67.7%) 42 (32.3%) 130
31-40 95 (62.1%) 58 (37.9%) 153
41-50 48 (68.6%) 22(31.4%) 70
51-60 18 (78.3%) 5 (21.7%) 23
> 60 18 (86.7%) 4 (13.3%) 21
Sex
Female 141 (70.5%) 59 (29.5%) 200 1.081 1 0.298
Male 142 (65.7%) 74 (34.3%) 216
Religion
Christian 156 (66.3%) 84 (33.7%) 249 1.532 3 0.675
Islam 112 (70.9%) 46 (29.1%) 158
Traditional 5 (62.5%) 3 (37.5%) 3
Others 1 (100.0%) 0 (0.0%) 1
There was no statistically significant relationship between age and level of preparedness
(p=0.177), sex and level of preparedness (p=0.298) and religion and level of preparedness
(0.675). Preparedness against EVD re-emergence do not determine by age, sex and religion
(Table 13).
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Table 14: Association between Socio-economic characteristics of respondents and their
level of preparedness EVD resurgence
Variable Level of preparedness (%) X2 Df p-value
Low High Total
Highest level Education
None 5 (100.0%) 0 (0.0%) 5 4.916 3 0.185
Primary 18 (75.0%) 6 (25.0%) 24
Secondary 100 (71.4%) 40 (28.6%) 140
Tertiary 160 (64.8%) 87 (35.2%) 247
Occupation
Professional 14 (56.0%) 11 (44.0%) 25 3.235 1 0.072
Intermediate 20 (52.6%) 18 (47.4) 38
Manual
skilled
30 (60.0%) 20 (40.0%) 50
Non-Manual
skilled
20 (74.1%) 7 (25.9%) 27
Partly
skilled
50 (74.6%) 17 (25.4%) 67
Unskilled 149 (71.3%) 60 (28.7%) 209
There was no statistical significance between the highest level of education and level of
preparedness (0.185). However there was a statistical significant association between
occupation and level of preparedness (p=0.072). This affirmed to the fact that preparedness is
a function of availability of resources and social class (Table 14).
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Table 15: Association between Socio-demographic characteristics of respondents and
practices regarding EVD
Variable Practices regarding (%) X2 df p-value
Negative Positive Total
Age
< 20 2 (10.5%) 17 (89.5%) 19 3.852 6 0.697
21-30 22 (16.9%) 108 (83.1%) 130
31-40 18 (11.8%) 135 (88.2%) 153
41-50 7 (10.0%) 63 (90.0%) 70
51-60 4 (17.4%) 19 (82.6%) 23
> 60 2 (13.3%) 19 (86.7%) 21
Sex
Female 23 (11.5%) 177 (88.5%) 200 0.995 1 0.319
Male 32 (14.8%) 184 (85.2%) 216
Religion
Christian 146 (58.6%) 103 (41.4%) 249 4.119 3 0.249
Islam 106 (67.1%) 52 (32.9%) 158
Traditional 6 (75.0%) 2 (25.0%) 8
Other 1 (100%) 0 (0%) 1
There was no statistically significant relationship between age and practices (p=0.697), sex
and knowledge (p=0.319) and sex and practices (p=0.249). This shows that the age and sex
do not determine practices towards EVD prevention (Table 15).
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Table 16: Association between Socio-economic characteristics of respondents and
practices regarding EVD resurgence
Variable Practices regarding EVD Total X2 df p-value
Negative Positive
Highest level Education
None 3 (60.0%) 2 (40.0%) 5 24.048 3 0.000
Primary 8 (33.3%) 16 (66.7%) 24
Secondary 23 (16.4%) 117 (83.6%) 140
Tertiary 21 (8.5%) 226 (91.5%) 247
Occupation
Professional 0 (0.0%) 25 (100.0%) 25 10.359 5 0.066
Intermediate 1 (2.6%) 37 (97.4%) 38
Manual
skilled
7 (14.0%) 43 (86.0%) 50
Non-Manual
skilled
3 (11.1%) 24 (88.9%) 27
Partly skilled 13(19.4%) 54 (80.6%) 67
Unskilled 31 (14.8%) 178 (85.2%) 209
However there was a statistically significant association between educational status and
practices (p=0.000) and occupation and practices (0.066). This implies that educational level
and professionalism enhanced positive practices in EVD prevention and mode of spread
(Table 16).
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CHAPTER FIVE
DISCUSSION
Preparedness is a function of availability of resources, satisfactory knowledge, positive
attitude and standard practices/protocols. It envisages entire health system from physician’s
preparedness; hospital preparedness, laboratory and diagnostic preparedness to the public
health preparedness.
Ebola Virus Disease Preparedness has been underscored worldwide and in countries away
from the epicenters of the current outbreak.87 Worthy of note is the fact that there was little
interest in EVD preparedness level before the recent occurrence.88
The demographic pattern of participants in this study shows that majority of the respondents
were male (51.7%) and are Christians (59.9%). More than half (58.1%) of the respondents
had tertiary education and 50.2% were mainly traders, unemployed, students or housewives
which had the highest number of respondents.
The study also revealed that majority of the respondents have moderate knowledge of the
signs of EVD (94%), spread of EVD (69.3%), signs of illness (50.0%), likely wise 78.5% of
the respondents affirmed that to prevent contracting EVD by regular hand washing with soap
and water, 59.5% of the respondents stated that not touching persons with suspected EVD
infection, 55.0% mentioned regular use of hand sanitizer while 3.8% of the respondents do
not know how to prevent contacting EVD.
The findings above is not in tandem with the report of International Federation of Red cross
and Red Crescent Societies stating that Liberian citizens have limited knowledge regarding
the mode of transmission of the Ebola virus.89
RESIDENTS PREPAREDNESS LEVEL AGAINST EBOLA VIRUS DISEASE RESURGENNCE: A SURVEY IN THREE LOCAL GOVERNMENT AREAS IN LAGOS STATE
RESIDENTS PREPAREDNESS LEVEL AGAINST EBOLA VIRUS DISEASE RESURGENNCE: A SURVEY IN THREE LOCAL GOVERNMENT AREAS IN LAGOS STATE
RESIDENTS PREPAREDNESS LEVEL AGAINST EBOLA VIRUS DISEASE RESURGENNCE: A SURVEY IN THREE LOCAL GOVERNMENT AREAS IN LAGOS STATE
RESIDENTS PREPAREDNESS LEVEL AGAINST EBOLA VIRUS DISEASE RESURGENNCE: A SURVEY IN THREE LOCAL GOVERNMENT AREAS IN LAGOS STATE
RESIDENTS PREPAREDNESS LEVEL AGAINST EBOLA VIRUS DISEASE RESURGENNCE: A SURVEY IN THREE LOCAL GOVERNMENT AREAS IN LAGOS STATE
RESIDENTS PREPAREDNESS LEVEL AGAINST EBOLA VIRUS DISEASE RESURGENNCE: A SURVEY IN THREE LOCAL GOVERNMENT AREAS IN LAGOS STATE
RESIDENTS PREPAREDNESS LEVEL AGAINST EBOLA VIRUS DISEASE RESURGENNCE: A SURVEY IN THREE LOCAL GOVERNMENT AREAS IN LAGOS STATE
RESIDENTS PREPAREDNESS LEVEL AGAINST EBOLA VIRUS DISEASE RESURGENNCE: A SURVEY IN THREE LOCAL GOVERNMENT AREAS IN LAGOS STATE
RESIDENTS PREPAREDNESS LEVEL AGAINST EBOLA VIRUS DISEASE RESURGENNCE: A SURVEY IN THREE LOCAL GOVERNMENT AREAS IN LAGOS STATE
RESIDENTS PREPAREDNESS LEVEL AGAINST EBOLA VIRUS DISEASE RESURGENNCE: A SURVEY IN THREE LOCAL GOVERNMENT AREAS IN LAGOS STATE
RESIDENTS PREPAREDNESS LEVEL AGAINST EBOLA VIRUS DISEASE RESURGENNCE: A SURVEY IN THREE LOCAL GOVERNMENT AREAS IN LAGOS STATE
RESIDENTS PREPAREDNESS LEVEL AGAINST EBOLA VIRUS DISEASE RESURGENNCE: A SURVEY IN THREE LOCAL GOVERNMENT AREAS IN LAGOS STATE
RESIDENTS PREPAREDNESS LEVEL AGAINST EBOLA VIRUS DISEASE RESURGENNCE: A SURVEY IN THREE LOCAL GOVERNMENT AREAS IN LAGOS STATE
RESIDENTS PREPAREDNESS LEVEL AGAINST EBOLA VIRUS DISEASE RESURGENNCE: A SURVEY IN THREE LOCAL GOVERNMENT AREAS IN LAGOS STATE

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RESIDENTS PREPAREDNESS LEVEL AGAINST EBOLA VIRUS DISEASE RESURGENNCE: A SURVEY IN THREE LOCAL GOVERNMENT AREAS IN LAGOS STATE

  • 1. Residents Preparedness Level Against Ebola Virus Disease Resurgence i Babatunde Olowookere 910706002 RESIDENTS PREPAREDNESS LEVEL AGAINST EBOLA VIRUS DISEASE RESURGENCE: A SURVEY IN THREE LOCAL GOVERNMENT AREAS IN LAGOS STATE SUBMITTED BY OLOWOOKERE BABATUNDE ABIODUN MATRIC NO: 910706002 SUBMITTED TO THEDEPARTMENT OF COMMUNITY HEALTH AND PRIMARYHEALTH CARE, COLLEGE OF MEDICINE, UNIVERSITY OF LAGOS IN PARTIAL FULFILLMENT OF THE REQUIREMENT FOR THE AWARD OF (MSc) DEGREE IN PUBLIC HEALTH (GENERAL OPTION) SEPTEMBER 2015
  • 2. Residents Preparedness Level Against Ebola Virus Disease Resurgence ii Babatunde Olowookere 910706002 DECLARATION I Babatunde Abiodun Olowookere hereby declares that this project titled: Residents Preparedness Level against Ebola Virus Disease Resurgence: a survey in three local Government Areas in Lagos State was carried out by me under the supervision of Dr. Robert A.A. I also declare that it has not been submitted either in part or in full for any other examination. NAME SIGNATURE Babatunde Abiodun Olowookere
  • 3. Residents Preparedness Level Against Ebola Virus Disease Resurgence iii Babatunde Olowookere 910706002 DEDICATION To Almighty God, for his grace and tremendous love. To my wife for her love and support. To our beloved son Jesse.
  • 4. Residents Preparedness Level Against Ebola Virus Disease Resurgence iv Babatunde Olowookere 910706002 CERTIFICATION I certify that the research project titled Residents Preparedness Level against Ebola Virus Disease Resurgence: a survey in three local Government Areas in Lagos State was carried out by Babatunde Abiodun Olowookere under my supervision. …………………... ………………….……….. ……………………………… DR. A. A. ROBERTS DATE Supervisor ……………………………………………… ………………………………… BABATUNDE ABIODUN OLOWOOKERE DATE Student ……………………………………………… ……………………………… DR. OGUNNOWO DATE Assessor
  • 5. Residents Preparedness Level Against Ebola Virus Disease Resurgence v Babatunde Olowookere 910706002 ACKNOWLEDGEMENT I wish to acknowledge the grace of the Almighty God upon my life from the time I was born till this day; I give all the praise and honour to his holy name. I am indebted to my supervisor Dr. A.A Alero for her calmness, maturity and mentorship during the study period despite her busy schedule. To my wife, Mrs. Hauwa Olowookere, I wish to say a big thank you for your support and encouragement throughout the academic year, may the Almighty God continue to guide and protect you. To my adorable son, Jesse Olowookere, thank you for being sweet and supportive during this period. To all my friends and colleagues, I thank you all. I cannot but give thanks to all my colleagues at the National Emergency Management Agency (NEMA), South West Zonal office particularly the Zonal Coordinator, Dr. Bemdele Onimode for his support and advice during the course of the program. Finally, I am extremely grateful to all those who participated in the study for their willingness, time, commitment and sincere responses. I cannot end my acknowledgment without appreciating Micheal Agoro an Industrial Attachment student with NEMA Zonal office and also David Oyedepo an NYSC Corp member serving at the zonal office for their assistance during the data gathering for the study.
  • 6. Residents Preparedness Level Against Ebola Virus Disease Resurgence vi Babatunde Olowookere 910706002 TABLE OF CONTENTS TITLE PAGE………………………………………………………………………………….............. i DECLARATION..........................................................................................................................ii DEDICATION............................................................................................................................iii CERTIFICATION....................................................................................................................... iv ACKNOWLEDGEMENT............................................................................................................. v TABLE OF CONTENTS............................................................................................................. vi LIST OF TABLES ..................................................................................................................... vii LIST OF FIGURES..................................................................................................................... ix ABBREVIATIONS..................................................................................................................... ix SUMMARY.................................................................................................................................x CHAPTER ONE.......................................................................................................................... 1 BACKGROUND TO THE STUDY............................................................................................... 1 CHAPTER TWO.......................................................................................................................... 6 LITERATURE REVIEW.............................................................................................................. 6 CHAPTER THREE.................................................................................................................... 30 MATERIALS AND METHODOLOGY ...................................................................................... 32 CHAPTER FOUR...................................................................................................................... 40 RESULTS.................................................................................................................................. 40 DISCUSSION............................................................................................................................ 59 CONCLUSION.......................................................................................................................... 62 RECOMMENDATIONS............................................................................................................ 63 REFERENCES........................................................................................................................... 64
  • 7. Residents Preparedness Level Against Ebola Virus Disease Resurgence vii Babatunde Olowookere 910706002 LIST OF TABLES Table 1: Respondents used in the study……………………………………………………… 36 Table 2: Socio-demographic characteristics of respondents………………………………….. 39 Table 3: Socio -economic characteristics of respondents………………………………………. 40 Table 4: Knowledge score of respondents on causes of Ebola disease………………………….. 41 Table 5: Knowledge on the spread of Ebola Viral Disease……………………………………….. 42 Table 6: Knowledge on when signs of illness of Ebola Viral Disease begins by respondents (n=390)…………………………………………………………………… 44 Table 7: Level of preparedness against Ebola Viral Disease resurgence………………………. 46 Table 8: Knowledge score of respondents on EVD across all domains………………………….. 48 Table 9: Association between Socio-demographic characteristics of respondents and their Knowledge of EVD (n=390)…………………………………………………………… 49 Table 10: Association between Socio-economic characteristics of respondents and knowledge of EVD…………..………………………………………………………………. 50 Table 11: Association between Socio-economic characteristics of respondents and their Attitude and perception of EVD of EVD…………..………………………… 51 Table 12: Association between Socio-demographic characteristics of respondents and their Attitude and perception regarding of EVD …………………………………………… 52 Table 13: Association between Socio-demographic characteristics of respondents and their Level of Preparedness against of EVD resurgence…………………………. 53 Table 14: Association between Socio-economic characteristics of respondents and their Attitude and perception regarding of EVD………………………….. 54 Table 15: Association between Socio-demographic characteristics of respondents and practices regarding EVD………………………………………………………….. 55 Table 16: Association between Socio-economic characteristics of respondents and practices regarding EVD resurgence…………………………………………… 56
  • 8. Residents Preparedness Level Against Ebola Virus Disease Resurgence viii Babatunde Olowookere 910706002 LIST OF FIGURES Figure 1: Knowledge of Signs and Symptoms of Ebola Viral Disease mentioned by respondents (n=390)……………………………………………. 43 Figure 2: Knowledge on sources and channels of information regarding EVD (n=390)... 45 Figure 3: Overview of Ebola virus pathogenesis………………………………………. 71
  • 9. Residents Preparedness Level Against Ebola Virus Disease Resurgence ix Babatunde Olowookere 910706002 ABBREVIATIONS CDC Center for Disease Control and Prevention DRC Democratic Republicof Congo ECOWAS Economic Community of West Africa State EEOC Ebola Emergency Operation Center EID Emerging infectious Disease ELISA Enzyme-Linked Immunosorbent Assay EVD Ebola Virus Disease HF Health Facility KAP Knowledge, Attitudes, and Practices LGAs Local Government Areas GOARN The Global Alertand Response Network NHP Non-HumanPrimate Ig Immuno-globulin MCP Macrophage Chemotactic protein NO PCR PHCC Nitric Oxide Polymerase ChainReaction PrimaryHealth Care Centre PHE PPE TF VHF UNICEF Public Health Event Personal ProtectiveEquipment Tissue Factor Viral HemorrhagicFever UnitedNationsChildren’sFund WHO World Health Organization
  • 10. Residents Preparedness Level Against Ebola Virus Disease Resurgence x Babatunde Olowookere 910706002 SUMMARY Ebola is one of the most virulent human viral diseases with a case fatality ratio between 25% to 90%. The West African outbreaks in 2014 are the largest and worst in history. The first ever outbreak of Ebola virus disease (EVD) in Nigeria was declared in July, 2014 but Nigeria and Liberia were however declared EVD free on 20th October 2014 and 9th May 2015 after no new cases were reported within the period. A new confirmed case was however reported in Liberia on Monday 29th June 2015. This latest resurgence of EVD in Liberia is an indication of how difficult it is for Public Health authorities to eliminate a highly contagious viral disease and its implications in Nigeria. The objectives of the study are to determine knowledge, attitude, level of preparedness and practices of hygiene amongst residents in Ikeja, Agege and Mushin Local Government Areas of Lagos State. The survey which assessed the preparedness level against Ebola Virus Disease resurgence in three (3) Local Government Areas in Lagos State namely Ikeja, Agege and Mushin was conducted among 416 residents. Selection was focused on Lagos State due to the fact that it was once hit by an epidemic. The study was a descriptive, community-based cross-sectional survey and 309 identified residents were successfully surveyed, with a rate of 93.98%. Among the identified, we had 57.1% men, 48.1% women and majority of the respondents were Christians. It was noticed that 6.02% have never heard about EDV, 6.2% possessed satisfactory knowledge in all three domains. Fifteen percent, 24.5%, 2.9% and 13.1% possessed satisfactory knowledge in signs and symptoms, preventive measures, mode of spread and level of preparedness. Radio was the most used source of information. Majority (82.3%) of
  • 11. Residents Preparedness Level Against Ebola Virus Disease Resurgence xi Babatunde Olowookere 910706002 the respondents mentioned regular hand washing with soap and water, while 55.6% said they regularly used hand sanitizers. It was discovered from the study that there was high level of preparedness amongst the studied population against a re-emergence of EVD. Nonetheless, participating in burial rites of a person that dies of Ebola disease remains a major key knowledge gap. For Nigeria, the best protective measures are adequate levels of preparedness focused on knowledge, attitude perception and practices preventing a further spread of the disease.
  • 12. Residents Preparedness Level Against Ebola Virus Disease Resurgence 2 Babatunde Olowookere 910706002 CHAPTER ONE INTRODUCTION BACKGROUND TO THE STUDY Ebola Virus Disease (EVD) (Formally known as Ebola haemorrhagic fever) is an active haemorrhagic illness with a case fatality (death) rate of up to 90%. The disease is caused by filoviridae family that affects humans and non-human primates (monkey, gorilla and chimpanzee).1 The World Health Organization (WHO) defines Ebola Virus Disease as a severe often fatal illness in humans. EVD is transmitted from wild animals and then spread within the human population through human to human transmission.2 Ebola viral fever, a highly contagious haemorrhagic disease has today become a major public health concern particularly in developing world.3The first Ebolavirus specie was discovered in the year 1976 in what has now become the Democratic Republic of Congo near the Ebola River. The epidemic recorded 318 cases and 280 deaths for a case fatality of 88%.Since then 24 more outbreaks have occurred in multiple African countries.4 The disease in Sudan also known as Sudan Ebola Virus (SEBOV) has caused six further epidemics in man and while that of Zaire strain known as (EBOV) has caused 17 further epidemics.5 the World Health Organization (WHO) has reported over 11,306 casualties with an estimated 28,256 people confirmed or suspected of having contracted the disease in nine countries as at September 3rd 2015. A total of 869 confirmed healthcare workers infected with EVD and 507 confirmed dead.6 Majority of these cases occurred in West African Countries of Guinea,
  • 13. Residents Preparedness Level Against Ebola Virus Disease Resurgence 3 Babatunde Olowookere 910706002 Sierra Leone and Liberia. While Nigeria, Senegal, the USA, Spain, Mail, the United Kingdom and Italy reported imported cases or import-related local transmission linked to the epidemic in West Africa. The recent resurgence of the disease in Liberia which has earlier been certified EVD free with Nigeria by the World Health Organization is a cause for concern for all.7 NATURE OF THE PROBLEM The first outbreak of the epidemic in the West African sub region was in 2014 and since then, curbing the spread of the EVD has been a challenge. The fear that the disease could spread further is palpable due to the situation in Liberia. The outbreak is also still very active in Sierra Leone and Guinea. The greatest mystery regarding the causative organism of EVD is the identity of its natural reservoir and the mode of transmission from the reservoir to wild animals and man.8 In addition, EVD present signs and symptoms of that Lassa fever or viral hemorrhagic fever which is highly prevalent in West Africa; that can also cause delay diagnosis. THE EXTENT OF THE PROBLEM The current outbreak in West Africa was first reported in March 2014. It is the largest and most complex Ebola outbreak since the Ebola virus was discovered in 1976.9 There have been more cases and deaths in this epidemic than all others combined. It has also spread between countries starting from Guinea and spreading across land borders to Sierra Leone and Liberia by air (1 traveller) to Nigeria and USA (1 traveller) and by land Senegal (1 traveller) and Mali (2 travellers).10
  • 14. Residents Preparedness Level Against Ebola Virus Disease Resurgence 4 Babatunde Olowookere 910706002 The West Africa outbreak is so large, so severe and so difficult to contain. The hardest-hit countries are Guinea, Liberia and Sierra Leone.11 These countries are amongst the poorest in the world. Both Sierra Leone (1991-2002) and Liberia (1989-2003) have only recently emerged from protracted conflicts and Civil wars. The Ebola Virus Disease (EVD) epidemic in West Africa has ravaged the social fabrics of three (3) countries (Guinea, Liberia and Sierra Leone) with a death toll of over 11 263 people and over 27 642 cases as at July 15, 2015. In August 2014 WHO declared it a Public Health Emergency of International Concern. Travel-associated cases have now been documented in five (5) additional countries and effects are being felt worldwide.12EVD is highly contagious in nature and can be easily spread if not properly managed; in addition, the fact that the cure for the disease has not been discovered and no vaccine to inoculate affected victims remains a major concern. THE SIGNIFICANCE OF THE PROBLEM The world Health Organization (WHO) declared Nigeria and Liberia Ebola Virus Disease (EVD) free on 20th October 2014 and 9thMay 2015 after no new cases were reported.13However, a new confirmed case was reported on Monday 29thJune 2015 in Liberia. This latest resurgence of EVD in Liberia is an indication of how difficult it is for Public Health authorities to eliminate a highly contagious viral disease. Nigeria is the most occupied country in Africa with an estimated population of about 180 million. It is also the world’s fourth largest oil producer and second largest supplier of natural gas.14Lagos-State is the commercial nerve center of Nigeria. The State attracts travelers from all over the world particularly people from other West African countries that are still battling with the scourge of EVD. This portends danger if proper prevention and control measures are not sustained to enhance the spread of the disease.
  • 15. Residents Preparedness Level Against Ebola Virus Disease Resurgence 5 Babatunde Olowookere 910706002 THE JUSTIFICATION AND RATIONALE FOR STUDY Nigeria containment of Ebola Virus Disease (EVD) has been lauded as nothing short of remarkable given both the population density in the country and particularly in cities such as Lagos and Port Harcourt. The outbreak of the disease created public fear, panic and confusion as is usually seen in outbreaks of previously unknown diseases or epidemics such as malaria, poliomyelitisetc which are yet to be totally contained in the country. Nonetheless, there is the need to continuously have a preventive behavior to reduce community transmission to human by emerging infectious diseases (EIDs). The trends in globalization including expansion in international travel and trade have also extended the reach and increased the pace at which infectious diseases spread. Between the periods of 1996-2009, research shows that 53% of the global EID outbreaks occurred in Africa.15 As a nation, there is an urgent need to assess our readiness to manage and contain the EVD. Periodic research through surveys of assessment of the level of preparedness of residents in three (3) Local Government Areas in Lagos State against EVD Resurgence will further enhance our response capability and reduce the burden on the health infrastructure caused by the fatal epidemics.
  • 16. Residents Preparedness Level Against Ebola Virus Disease Resurgence 6 Babatunde Olowookere 910706002 AIM The study is to assess the level of preparedness of residents in Ikeja, Agege and Mushin Local Government Areas of Lagos State against EVD Resurgence. OBJECTIVES To achieve this aim the specific objectives are: 1. To determine the level of knowledge of EVD amongst the residents in Ikeja, Agege and Mushin Local Government Areas of Lagos State. 2. To determine the attitude of residents in Ikeja, Agege and Mushin Local Government Area of Lagos State on EVD. 3. To determine the level of preparedness and practices of hygiene amongst residents in Ikeja, Agege and Mushin Local Government Areas of Lagos State.
  • 17. Residents Preparedness Level Against Ebola Virus Disease Resurgence 7 Babatunde Olowookere 910706002 CHAPTER TWO LITERATURE REVIEW DEFINITIONS AND BACKGROUND Ebola Virus Disease (EVD): EVD can be defined as a severe form of viral haemorrhagic fever or fatal zoonotic infection caused by a virus of the filoviridae family and designated Ebola Haemorrhagic Fever (EHF).16 Public Health Event (PHE): A public health event is defined as any occurrence that may have negative consequences for human health including those that have not yet caused disease or illness but that have potential and those that may require a coordinated response.17 Public Health Preparedness: These are actions taken by Healthcare and Public Health organizations to ascertain effective response to emergencies that impact health especially events that have timing or scale that overwhelms normal capacity.18 Individual Preparedness: Action taken by an individual or family to prevent, protect against and minimize physical and emotional damage that results from a disaster.18Preparedness is a fundamental concept in the field of Disaster Research and Emergency Management. It is a measure taken prior to the onset of a disaster to enhance the response capacity. It also implies the ability of social units to accurately assess a hazard, realistically anticipate likely problems in the event of an actual disaster and appropriately taken precautionary measures to mitigate impacts and ensure an efficient and effective response.
  • 18. Residents Preparedness Level Against Ebola Virus Disease Resurgence 8 Babatunde Olowookere 910706002 Knowledge Attitude and Practice: Knowledge: is defined as “the fact or condition of knowing something with a considerable degree of familiarity through experience, association or contact’’.19 Three forms of knowledge are identified: explicit, tacit and implicit. Explicit knowledge is that which is stated in detail and is termed as codified or formal knowledge.20 Explicit knowledge can be accessed by anyone, for example, books, pictures, or recording clips. Tacit knowledge represents knowledge based on the experience of individuals, expressed in human actions in the form of evaluation, attitudes, points of view, commitments and motivation. Tacit knowledge is lost with the person who possesses it.21 Implicit knowledge is that which could be expressed, but has not been. In other words implicit knowledge is that body of knowledge which exists without being stated.19 Attitude: Is a predisposition or tendency to respond positively or negatively towards a certain idea, object, person or situation. Attitude is un-expressed behavior. It influences an individual’s choice of action. Practice: Is the utilization of rules and knowledge that leads to action. Good practice shares a corresponding relationship with knowledge and technology. The union of Knowledge, Attitude, and Practice in a common action like the KAP study is an educational diagnosis of community or subgroup of a community. It evaluates specific understanding, feelings and actions regarding any matter of interest.
  • 19. Residents Preparedness Level Against Ebola Virus Disease Resurgence 9 Babatunde Olowookere 910706002 Ebola Resurgence: Resurgence is bringing again into activity and prominence. Ebola resurgence is therefore the re-emergence of new cases of Ebola Virus Disease in a place where it has been declared Ebola-free. Emergency: A sudden occurrence that may be due to epidemics, natural, man-induced to technological catastrophes that demands immediate action.22 Resident: Someone who lives in a particular place for a prolonged period or who was born there. EBOLA VIRUS DISEASE - AN OVERVIEW Ebola Virus Disease (EVD) is caused by Ebola Virus responsible for viral hemorrhagic fever like Lassa fever (LASV), Yellow fever (YFV), Marburge fever and Dengue fever. Ebola viruses are the causative agents of a severe form of viral haemorrhagic fever in man, designated Ebola Haemorrhagic Fever (EHF) and are endemic in regions of Central Africa. They are called hemorrhagic because of the distinct scary bleeding that occurs during the course of the illness. Nonetheless, the word hemorrhagic is now left out in the case of Ebola because not all of Ebola patients developed significant hemorrhage symptoms, which usually occurs only in the terminal phase of fatal illness.23 EVD is one of the most fatal viral diseases worldwide affecting human and non-human primates. Ebola was first discovered in 1976 near the Ebola River in what is now called the Democratic Republic of the Congo (DRC).The virus has the potential to spread globally and is classified as a “category A” pathogen that could be misused as a bioterrorism agent.24
  • 20. Residents Preparedness Level Against Ebola Virus Disease Resurgence 10 Babatunde Olowookere 910706002 CLASSIFICATION OF EBOLA VIRUS Ebola virus is a non-segmented, negative-sense highly infectious illness caused by a single- stranded RNA virus similar to rhabdoviruses and paramyxoviruses in its genome organization and replication mechanism. Ebola Virus is amongst the most virulent pathogens that have been shown to cause disease in humans and nonhuman, and has fast become one of the world’s most feared pathogen. Ebola Virus alongside causative organisms of Rift valley fever, Crimean Congo hemorrhagic fever, lassa fever, yellow fever and Dengue hemorrhagic fever are also classified as hemorrhagic fever virus are all classified as hemorrhagic fever viruses. Currently, there are five (5) genetically distinct members of thefiloviridae family (filovirus), this includes: Zaire Ebolavirus (EBOV), BundibugyoEbolavirus (BDBV), Reston Ebolavirus (RESTV), Sudan Ebolavirus (SUDV) and Tai Forest Ebolavirus (TAFV) all named after the country or location where virus was first isolated. Although, Reston ebolavirus has only caused disease in non-human primates (NHP) and was found in swine suffering from porcine reproductive and respiratory disease syndrome in the Philippines and in People’s Republic of Chain.25Zaire, Sudan and Bundibugyo Ebola viruses are largely responsible for most of the Ebolahaemorrhagic Fever outbreaks in Africa.26The fifth species, Tai forest ebolavirus was documented in a single human infection caused by contact with an infected chimpanzee from the Tai forest in Ivory Coast. In sub-saharan Africa the Zaire ebolavirus constitutes a particularly serious threat to both human and non-human primates.
  • 21. Residents Preparedness Level Against Ebola Virus Disease Resurgence 11 Babatunde Olowookere 910706002 The Zaire species which has been identified as the most commonly occurring species in previous outbreaks is the cause of the number of cases and deaths between 1976 and 2012. The fatality percentage represents the percentage of people who die after contracting the virus and Zaire has the highest at 69%, followed by the second most virulent species Sudan at 53%.27The Ebola outbreak (Zaire species) of 2014 has become larger than all previous Ebola outbreaks combined since its discovery in 1976. Epidemic has occurred in the Sudan, Democratic Republic of Congo, Gabon, Uganda and Congo.28 EPIDEMIOLOGY OF EBOLA VIRUS DISEASE Two main modes of transmission into human populations have been suggested: either direct contact to a reservoir or contact to other wildlife that also contracts EBOV from the reservoir.29 The filoviruses Marburg and Ebola cause fulminant hemorrhagic fever were first recognized in 1967 when the inadvertent importation of infected monkeys from Uganda resulted in explosive outbreaks of severe illness among vaccine plant workers in Marburg, Germany and Belgrade, Yugoslavia.30 Ever since, except in few instances of accidental laboratory infections reported, all large outbreaks of filoviral disease have been confined to Sub- Saharan Africa.31 The first recognized outbreaks in Africa occurred in Zaire and Sudan in 1976.Each outbreak had over 300 people affected but did not spread greatly because of the location of the place. The Zaire species caused several hundred cases in 1995 in Kikwit, Democratic Republic of Congo and the Sudan virus infected more than 400 people in Gulu, Uganda in 2000.32 The 2013-2015 Ebola epidemic is the largest outbreak of Ebola virus ever recorded. It was caused by the Zaire species of the virus. It is not only the first to occur in West Africa but the
  • 22. Residents Preparedness Level Against Ebola Virus Disease Resurgence 12 Babatunde Olowookere 910706002 effect far outweighs other previous outbreaks. The West African country of Guinea was where the first case was first confirmed in December 2013 and it spread to Liberia and Sierra Leone in 2014.33Subsequently, the cases of EVD outbreaks spread to Nigeria, Senegal and Mail with isolated case in United Kingdom and another in Sardinia. There were also reported imported cases in the United States and Spain which led to secondary infections of medical workers but did not spread further. Aside of causing human infections, Ebola virus has also spread to wild non-human primates (NHPs). Fruit bats are considered to be the natural reservoir for Ebola virus in Africa.34 This has contributed to a marked reduction in chimpanzee and gorilla populations in Central Africa and has also triggered some human epidemics due to handling of and/or consumption of sick or dead animals by local villagers as a source of food. TRANSMISSION OF EBOLA VIRUS DISEASE Ebola virus can be transmitted by direct contact with blood, bodily fluid or skin of EVD patient or individuals who have died of the disease.35As soon as a person becomes infected, the disease is spread to others through broken skin, mucous membranes, blood or body fluids. Transmission via inanimate objects contaminated with infected bodily fluid (fomites) is possible.36The principal mode of transmission in human outbreaks is human-to-human transmission through direct contact with a symptomatic or dead EVD case or with contaminated surfaces and materials (e.g. beddings, clothing’s etc.). Prior to the epidemic in West Africa in 2014, outbreaks of EVD were typically controlled within a period of weeks to a few months. This is as a result that most outbreaks occurred in remote regions with low population density, where residents rarely travelled. However, the epidemic in West Africa has shown that Ebola virus can spread rapidly and widely as a result of the extensive movement of infected individuals (including undetected travel across
  • 23. Residents Preparedness Level Against Ebola Virus Disease Resurgence 13 Babatunde Olowookere 910706002 national borders), the spread of the disease to urban areas and the avoidance and/or lack of adequate Personal Protective Equipment and Medical Isolation Center. Human Ebola outbreaks usually occur abruptly from a vaguely defined source with subsequent rapid spread from person to person. Human-to-human: Human-to-human transmission is through direct or close contact with infected patients and particularly through contact with blood and body fluids of an infected patients or bodies of patients who die of the disease. EVD Ebola can also be transmitted in postmortem care settings by laceration and puncture with contaminated instruments used during postmortem care, through direct handling of human remains without recommended PPE and through splashes of blood or other body fluids such as urine, saliva, feces, or vomit to unprotected mucosa such as eyes, nose or mouth during postmortem care.37 Risk of transmission through bodily Fluids: Ebola virus can also be transmitted through direct contact with bodily fluids. It remains one of the highest risks of contacting of the virus between people. Circumstantial evidence from previous outbreaks, epidemiological data and experiments in non-human primates all demonstrate that contact with ebola virus infected fluid scan lead to infection. Contact with bodily fluids has also been implicated as the reason why caregivers often become infected after contact with patients. In a study of the risk factors associated with contracting Ebola virus during an outbreak in Kikwit, Sudan contact with bodily fluids strongly predicted risk of infection as did sharing hospital beds.38 Risk of transmission through the airborne/aerosol route: Currently no data exists whether Ebola virus disease can be spread from human-human by respiratory tract route. However, epidemiological data have led to the understanding that the disease does not undergo traditional airborne transmission. Although aerosolized filo viruses are highly infectious for
  • 24. Residents Preparedness Level Against Ebola Virus Disease Resurgence 14 Babatunde Olowookere 910706002 laboratory animals, in humans, airborne transmission has only been reported among healthcare workers who were exposed during aerosol generating medical procedures.39 Ebola virus can also be spread through fomites and environmental Stability: A fomite refers to any surface that a pathogen is able to persist on, and fomite transmission can occur when an individual comes into contact with that infected surface. Potential routes of Ebola virus fomite transmission include touching objects such as beddings, clothing and other personal utensils (plates, cups) that have been in contact with person who is sick of Ebola virus. Little is known about the stability of Ebola virus on surfaces as limited environmental testing in outbreak locations has shown little evidence for Ebola virus persistence on surfaces. However, one experiment showed that EBOV viral load is reduced by 4 log10 after 5.9 days when placed on glass and in the dark at 24°C and 40% relative humidity. Another experiment showed that EBOV could be recovered after 50 days, when dried in culture media on glass at 4 °C.40 Nosocomial transmission: Nosocomial infections are infections that develop as a result of a stay in hospital or are produced by microorganisms and viruses acquired during hospitalization. Transmission to healthcare workers due to lack of resources for infection control and Personal Protective Equipment (PPE) are the main reasons for nosocomial transmission. Nosocomial transmission has been a major cause of morbidity and mortality in EVD since the first outbreaks described in Sudan and Zaire (now Democratic Republic of the Congo, DRC) in 1976. The current outbreak in West Africa had led to documented infection in 876 health workers with 509 deaths as July 12, 2015.41 Essentially, there is no evidence on mosquitoes or other biting arthropods transmitting filo viruses. Past epidemic may have been much and more difficult to control if the virus were transmitted from person to person by these mechanisms.42,43
  • 25. Residents Preparedness Level Against Ebola Virus Disease Resurgence 15 Babatunde Olowookere 910706002 Due to the high mortality rate of the Ebola virus in human and non-human primate, it is considered highly dangerous and is a bio-terrorism agent that could jeopardize global health. PATHOGENESIS OF EBOLA VIRUS DISEASE Little is known about the pathogenesis of filovirus infection. Almost all data on the pathogenesis of Ebola virus disease have been obtained from laboratory experiments employing mice, guinea pigs and non-human primates. Ebola virus disease can enter the host body mostly via mucosal surfaces or injuries in the skin.44Also infection through the intact skin cannot be excluded, although it is considered unlikely. Aerosol infection (RESTV) has been demonstrated in non-human primates under experimental conditions in dispersion chambers.45,46 However, case reports and large-scale observational studies of patients in the 2014-2015 West African outbreaks are providing urgently needed data on the pathogenesis of the disease in humans.47 Cell entry and tissue damage: — once the virus enters the body through mucous membranes, it attacks the immune cell of the host namely macrophages and dendritic cells are probably the first to be infected. The immune cell gets fooled and release large amounts of cytokines that instead facilitate the entry of the virus into endothelial cells easily. The virus genetic material (single-stranded RNA) is released into cytoplasm and produces a new viral proteins/genetic material. The viral genomes migrate to regional lymph nodes results in further rounds of replication, followed by spread through the bloodstream to dendritic cells and fixed and mobile macrophages in the liver, spleen, thymus, and other lymphoid tissues. Necropsies of infected animals have shown that many cell types (except for lymphocytes and neurons) may be infected, including endothelial cells, fibroblasts,
  • 26. Residents Preparedness Level Against Ebola Virus Disease Resurgence 16 Babatunde Olowookere 910706002 hepatocytes, adrenal cortical cells and epithelial cells. Fatal infection is characterized by multifocal necrosis in tissues such as the liver and spleen. Gastrointestinal dysfunction: — Patients with Ebola virus disease commonly suffer from vomiting and diarrhoea which can result in acute volume depletion, hypotension and shock.48 It is not clear if such dysfunction in Ebola virus disease is the result of viral infection of the gastrointestinal tract or if it is induced by circulating cytokines or both. Systemic inflammatory response: — Ebola virus also induces a systemic inflammatory syndrome by inducing the release of cytokines, chemokines and other pro-inflammatory mediators from macrophages and other cells.49 Infected macrophages produce tumor necrosis factor (TNF)-alpha, interleukin (IL)-1beta, IL- 6, macrophage chemotactic protein (MCP)-1 and nitric oxide (NO).50 These disruption products of necrotic cells also stimulate the release of the same mediators. This systemic inflammatory response is thought to play a role in inducing gastrointestinal dysfunction as well as diffuse vascular leak and multi-organ failure that is seen later in the disease. Coagulation defects: — The coagulation defects seen in Ebola virus disease appear to be induced indirectly through the host inflammatory response. Virus-infected macrophages synthesize cell-surface tissue factor (TF), triggering the extrinsic coagulation pathway; pro- inflammatory cytokines also induce macrophages to produce TF.51 The simultaneous occurrence of these two stimuli helps to explain the rapid development and severity of the coagulopathy in Ebola virus infection. Additional factors may also play a role in the coagulation defects that are seen with Ebola virus disease. As examples, blood samples from Ebola-infected monkeys contain D-dimers within 24 hours after virus challenge and D-dimers are also present in the plasma of humans
  • 27. Residents Preparedness Level Against Ebola Virus Disease Resurgence 17 Babatunde Olowookere 910706002 with Ebola virus disease.52In Ebola virus-infected macaques, activated protein C is decreased on day two but the platelet count does not begin to fall until day three or four after virus challenge, suggesting that activated platelets are adhering to endothelial cells. As the disease progresses, hepatic injury may also cause a decline in plasma levels of certain coagulation factors. Impairment of adaptive immunity: — Failure of adaptive immunity through impaired dendritic cell function and lymphocyte apoptosis helps to explain how filoviruses are able to cause a severe, frequently fatal illness.53 Ebola virus acts both directly and indirectly to disable antigen-specific immune responses. Dendritic cells, which have primary responsibility for the initiation of adaptive immune responses, are a major site of filoviral replication. In vitro, studies show that infected cells fail to undergo maturation and are unable to present antigens to naive lymphocytes, potentially explaining why patients dying from Ebola virus disease may not develop antibodies to the virus.54,55 Adaptive immunity is also impaired by the loss of lymphocytes that accompanies lethal Ebola virus infection.56Although these cells appear to remain uninfected they undergo "bystander" apoptosis, presumably induced by inflammatory mediators and/or the loss of support signals from dendritic cells. A similar phenomenon is observed in septic shock. However, one study has shown that at least in Ebola-infected mice, virus-specific lymphocyte proliferation still occurs despite the surrounding massive apoptosis, but it arrives too late to prevent a fatal outcome.57 Discovering ways to accelerate and strengthen such responses may prove to be a fruitful area of research. SIGNS AND SYMPTOMS OF EBOLA VIRUS DISEASE
  • 28. Residents Preparedness Level Against Ebola Virus Disease Resurgence 18 Babatunde Olowookere 910706002 EVD begins to affect infected individuals with a non-specific flu-like symptom. The incubation period from the time of infection with the virus and onset of signs and symptoms may appear from about2 to 21 days after exposure (average incubation period is eight (8) to (ten) 10 days). The signs and symptoms are characterized by sudden onset of fever, headache, intense weakness, nausea, muscle pain and sore throat. The symptoms are then followed by vomiting, diarrhea, rash, impaired liver and kidney function and internal and external bleeding (in some cases). Due to the extensive amount of bleeding, most patients die of hypovolemic shock and/or systematic organ failure within 2 to 21 days of contracting Ebola virus. Death usually occurs as a result of shock due to body fluid loss rather than blood loss. However, some patients do defervesce after about 14 days and are able to survive the virus.58 DIAGNOSIS, TREATMENT AND VACCINE FOR EBOLA VIRUS DISEASE In considering the diagnosis of Ebola Virus Disease, some of the more common diseases should not be overlooked (e.g.malaria, cholera, meningitis, hepatitis). A definitive diagnosis of EVD is confirmed through laboratory testing. No vaccine is available and there is no specific treatment for EVD. Severely ill patients require intensive supportive care and are usually dehydrated and at risk for other infectious diseases. Within a few days after symptoms develop and it has been confirm that it is EVD, test such as enzyme-linked immunosorbent assay (ELISA), polymerase chain reaction (PCR) and virus isolation can provide definitive diagnosis. Later in the disease or if the patient recovers, IgM and IgG antibodies against the infecting Ebola strain can be detected. Similarly, studies using immunohistochemistry testing, PCR, and virus isolation in deceased patients are also done usually for epidemiological purposes.48
  • 29. Residents Preparedness Level Against Ebola Virus Disease Resurgence 19 Babatunde Olowookere 910706002 There is no yet approved vaccine or medicine (antiviral drug) available for treatment of Ebola virus disease. According to Centres for Diseases Control and Prevention, standard treatment for Ebola hemorrhagic fever is still limited to supportive therapy. Supportive therapy is balancing the patient's body fluid and electrolytes, maintaining their oxygen status and blood pressure, and treating such patients for any complicating infections.59 INFECTIOUS PREVENTION AND CONTROL MEASURES FOR EBOLA VIRUS DISEASE Preventive interventions include the following:- Avoid handling bush meat (wild animals hunted for sustenance) and contact with bats (which may be the primary reservoir of Ebola virus). This can reduce the risk of initial introduction of Ebola virus into humans. Appropriate protective clothing’s, thorough cooking of animal products before consumption is also very necessary. Meticulous infection control in health care settings. The greatest risk of transmission is not from patients with diagnosed infection but from delayed detection and isolation. Since the early symptoms of EVD — fever, nausea, vomiting, diarrhea and weakness are nonspecific. Patients may expose family caregivers, health care workers and other patients before the infection is diagnosed. Community engagement is vital key to successful control of EVD spread. Educating and supporting the community to practice save burial of persons who may have died from EVD. Reduce direct or close contact with people with Ebola symptoms particularly with bodily fluids of the infected. Gloves and appropriate Personal Protective Equipment (PPE) should be
  • 30. Residents Preparedness Level Against Ebola Virus Disease Resurgence 20 Babatunde Olowookere 910706002 worn when taking care of ill patients at home. Regular hand washing is required after visiting patients in hospitals as well as after taking care of patients at homes. GLOBAL TRENDS ON EBOLA VIRUS DISEASE OUTBREAKS The 2014 West African Ebola crisis represents the largest global outbreak of a high mortality, non-vaccine preventable contagious illness in recent history. While the outbreak has been largely confined to Liberia, Guinea and Sierra Leone, its effects have been felt throughout Africa and the entire world. Thousands of West Africans have succumbed to Ebola as the outbreak has extended into densely populated areas and crossed international borders. The ability of EVD to spread rapidly across several West African states within the short time of the onset of the disease is a cause of concern. The virus now threatens to undermine the security and economic prospects of the entire region. Till date, the World Health Organization (WHO) has reported over 11,306 casualties with an estimated 28,256 people confirmed or suspected of having contracted the disease in nine countries as at September 3rd 2015. A total of 869 confirmed healthcare workers infected with EVD and 507 confirmed dead.60 Previous outbreaks of Ebola Virus Disease (EVD) have predominantly occurred in Central African rainforest. Until the outbreaks of 2014 in West Africa, all known previous outbreaks originated in Democratic Republic of Congo (than Zaire) or country sharing its border. Since 1976, 26 outbreaks of Ebola virus cases have occurred in ten(10) countries of Africa, including Democratic Republic of Congo (DRC), Sudan, Gabon, Cote d’Ivoire, South Africa, Uganda, Congo, Guinea, Sierra Leone and Liberia; one imported case in Nigeria, Senegal Spain and United States of America.3
  • 31. Residents Preparedness Level Against Ebola Virus Disease Resurgence 21 Babatunde Olowookere 910706002 Till date DRC is the country with the highest number of outbreaks with (7) outbreaks followed by Uganda (5), Sudan (3) and (3) in Gabon. The unprecedented magnitude and geographic extent of the Ebola virus Disease has overwhelmed the local response capacity, posing as extreme challenge for the whole world.29 An outbreak outside Africa was the Reston subtype of Ebola virus; first identified in 1989 in the United States of America, through monkeys housed in a quarantine facility in Reston, Virginia. At least four humans became infected but none became ill. Additional outbreaks of the Reston subtype occurred between 1989 and 1996 in Texas, Pennsylvania and Italy. No humans suffered illness in any of these cases. The source of all the Reston subtype outbreaks was late traced to a single facility in the Philippines that exported the monkeys.61 On 13th March 2014, the Guinean Ministry of Health issued an alert concerning an unidentified disease. World Health Organization (WHO) announced its involvement that same day thinking that the outbreak was Lassa fever or viral hemorrhagic fever which is highly prevalent in West Africa. After laboratory tests, it was confirmed that the hemorrhagic fever outbreak was caused by the Ebola virus.62 The first victim of this outbreak was an 18-month-old boy from an area close to where Guinea shares a border with northern Liberia. The child died on 28thDecember, 2013.Guineashares borders with Liberia and Sierra Leone, other factor is the socio cultural ties amongst these countries make it easy for the virus to spread quickly. Within days of the WHO announcement of the EVD outbreak in Guinea, both Liberia and Sierra Leone had announced EVD cases outbreaks.63 On April 1, 2014, Guinea reported 24 confirmed cases of EVD. Liberia had 2 confirmed cases to report and Sierra Leone was monitoring 2 probable cases of EVD infection. By late
  • 32. Residents Preparedness Level Against Ebola Virus Disease Resurgence 22 Babatunde Olowookere 910706002 April 2014, Guinea had reported 208 “clinical cases” of EVD and 136 deaths. Efforts to identify those who had come into contact with individuals suffering from the illness led medical authorities to place 217 others in Guinea under medical observation.64 According to World Health Organization, Liberia had 34 probable cases of EVD with 6 confirmed cases and 6 deaths at the time. Liberia had 162 total contacts to trace, 59 of whom had completed the 21-day follow-up period and were no longer under medical observation. Sierra Leone reported its first EVD case on 25thMay 2014.By the end of May 2014, WHO reported that Sierra Leone had 50 clinical cases of EVD and 6 deaths spread across 5 distinct geographical regions. Guinea had 291 clinical cases of EVD with 193 deaths spread across seven regions.65 On 17thJune 2014, the Liberian government announced that Ebola was present in its capital, Monrovia. Later that month, health authorities reported a total of 618 EVD cases and 357 EVD deaths. Infection and fatality statistics as at 30thJuly 2014 indicated that the total number of cases of EVD had reached 1,440 with 826 deaths. By the end of month, the Government of Liberia had quarantined communities most at risk and put troops in place to enforce the quarantine.66 On 2ndAugust2014, an American doctor who had been working as a missionary physician in Liberia was flown to Atlanta, Georgia, for treatment after contracting EVD. A second American, a missionary nurse with EVD was flown to Atlanta from Liberia for treatment 3 days later. On 8thAugust 2014, the World Health Organization (WHO) declared that EVD represent a “Public Health Emergency of International Concern” (PHEIC) and urged the international community to take action to stop the spread.67
  • 33. Residents Preparedness Level Against Ebola Virus Disease Resurgence 23 Babatunde Olowookere 910706002 A Spanish priest who had been working in Monrovia, Liberia, contracted EVD and was flown to Spain for treatment where he died on 12thAugust 2014. On August 2014, a British healthcare provider was also flown back to the United Kingdom after reportedly contracting EVD in Sierra Leone. Mali reported its first confirmed Ebola case on October 23, 2014 when a two-year-old girl admitted to a hospital in Mali on 22nd October 2014 died on 24th October 2014. No secondary infections linked to this case. There was also a case of an Imam from Guinea that was admitted to hospital for renal failure in a hospital in Mali that subsequently died. Diagnosis not made until after one of his caregivers became ill and after thousands attended his funeral 7 additional cases and 5 deaths were linked to this case. Following a heightened sense of panic, tightened restrictions on travel and trade have begun to take a toll on the economies of the countries affected. Tourism and export revenues have been hit hard while multinational companies have threatened to halt their operations in the region. There is no doubt that the epidemic is becoming a global pandemic with potential to continue to spread beyond the West African stronghold further. The wider risks and implications of the epidemic are becoming more evident in endemic region as entire communities are placed in quarantine and frontiers closed. Riots have erupted in certain areas where the infected – and those with whom they have had contact – have simply been confined without proper medical attention or even food and water. Furthermore, border closures and travel bans are largely ineffective (or even counterproductive) given the region’s porous land frontiers. Global responses and the current collective mood is one of crisis management, efforts to improve local healthcare capacities in Liberia, Sierra Leone and Guinea. The Centers for Disease Control and Prevention (CDC), its leading public institution for infectious diseases
  • 34. Residents Preparedness Level Against Ebola Virus Disease Resurgence 24 Babatunde Olowookere 910706002 (with over 15,000 employees and a yearly budget of $11.3 billion), has sent a rotating team of 70 experts to assist West Africa and gather any information which could assist in the effective diagnosis and further understanding. The experimental treatment ZMapp (already used for Ebola patients with a varying degree of success) is made by the American firm Mapp Biopharmaceutical, a company with which the US Department of Health has signed a $25 million contract. The international community’s response to Ebola particularly African institutions such as the Economic Community of West African States (ECOWAS) and the African Union (AU) have expressed their support for the fight against Ebola, their resources are scarce and local leaders seek primarily to protect their own countries. The success of containment is therefore in large part contingent on the ability of international actors to act fast – and in concert – so as to ensure that the spread of Ebola is effectively halted and that the disease is ultimately vanquished. THE OUTBREAK OF EBOLA VIRUS DISEASE IN 2014 IN NIGERIA An acutely ill traveller from Liberia arrived Lagos by air on 20th July 2014 via Lome, Togo, and Accra, Ghana. He was hospitalized immediately at the First Consultant Hospital, Obalende; blood specimen examined at Lagos University Teaching Hospital (LUTH) indicated the presence of acute Ebola virus infection. On arrival at the airport the index case had contacts with 15 airport staff and 44 persons at the hospital. The index case died 5 days later.68 Prior to the current outbreak, Nigeria has not had an occurrence of the disease hence the scenario created public fear, panic and confusion, as is usually seen in outbreaks of previously unknown diseases.69 Consequent upon the above, the Federal Ministry of Health and the Nigerian Centers for Disease control (FMOH/NCDC) in collaboration with the Lagos
  • 35. Residents Preparedness Level Against Ebola Virus Disease Resurgence 25 Babatunde Olowookere 910706002 State Ministry of Health and partner Agencies established an Ebola Emergency Operations Centre (EEOC), the use of an Incident Management System (IMS) and all public health assets available to the Federal and Lagos State government were used to contained the spread of the disease. On the 20th of October 2014, the WHO declared Nigeria free of EVD. This was after 42 days with no new case of EVD and now considered free of Ebola transmission. Modern-day mobility is a widely recognized conduit for the rapid spread of highly contagious diseases as demonstrated by one particular case in Senegal which involved several actors from the same family spread across the region. In Nigeria, a cluster of Ebola cases were sparked by a traveller from Liberia. The fundamental controls for all infectious outbreaks are based on enhanced hand-hygiene, cough and sneezing etiquette, social distancing, sick-contact isolation and environmental cleaning. Appropriate messaging, supplies and signage are often the best preventative strategies to mitigate infectious diseases. We all live in a global community; strategic plans assert a human outbreak anywhere means risk everywhere. With the recent EVD resurgence in Liberia and Sierra Leone, Nigeria must note relent in strengthening her preparedness and readiness against the reemergence of EVD. PUBLIC HEALTH EMERGENCY PREPAREDNESS AGAINST EBOLA VIRUS DISEASE The World Health Organization (WHO) declared on August 8th, 2014 that EVD “Public Health Emergency of International Concern” and urges the international community to take action to stop the spread.62EVD is an active haemorrhagic illness with 90% case fatality rate, is currently an epidemic in some countries in West Africa; although the WHO had declared
  • 36. Residents Preparedness Level Against Ebola Virus Disease Resurgence 26 Babatunde Olowookere 910706002 Nigeria and Liberia free of Ebola its reemergence in Liberia on May 9th, 2015 make it a public health concerns. Based on the anticipated risks for the resurgence of Ebola to Nigeria, the WHO organization recommends that all high risk and medium risk countries strengthen their respective country preparedness and readiness to EVD.70 Public health emergency preparedness and response efforts seek to prevent epidemics and the spread of disease, protect against environmental hazards, prevent injuries, promote healthy behaviors, and assure the quality and accessibility of health services. Each of these is expected by the public and each is evident in effective preparedness and response related to public health emergencies. Together they make preparedness and response a special and particularly critical component of modern public health practice. Public health emergencies, preparedness and response are inextricably linked.71 Preparedness is based on lessons learned from both actual and simulated response situations. Effective response and containment of a potential outbreak of EVD in any country can only be achieved through anticipation, preparedness and readiness for response in the event of an outbreak. With proper preparedness and readiness at country level, Ebola can easily be contained, and the consequential possible impact on health care systems and the society at large can be minimized. Against this background, the WHO overarching objectives for the Ebola response roadmap includes strengthening preparedness of all countries to rapidly detect and respond to the potential introduction of Ebola in States currently not affected by the outbreak and in response to the on-going outbreak in West Africa.72 This study tends to assess the level of preparedness of residents in Agege, Ikeja and Mushin Local Government Areas of Lagos State against EVD Resurgence. Ebola outbreak is a health
  • 37. Residents Preparedness Level Against Ebola Virus Disease Resurgence 27 Babatunde Olowookere 910706002 related event or disaster, that could come in various forms and may seem to be increasing in frequency, scale and complexity. As a result, households, organizations, and residents must continue to devise effective means for protecting themselves against those threats. In discussing and thinking about preparedness, several important points should be kept in mind. First, preparedness can be viewed and measured at different levels of analysis. At one extreme, for instance, individuals and households can take protective measures such as engaging in good hygienic behavior like watching hands with soap and water, using hand sanitizer and avoiding contact with a person who is sick of Ebola disease etc. At another extreme, as part of support to Member States, and within the context accounting to the context of the International Health Regulations (IHR 2005).73 Countries can provide capacity-building for public health events. Preparedness is a matter of degree, ranging from low to high and very over time and across locations with some households engaging in few or no preparedness activities and others undertaking as many precautionary measures as possible. At the household and organization levels of analysis, researchers typically use checklists to measure disaster preparedness, asking respondents to indicate which activities they have undertaken.74 KNOWLEDGE, ATTITUDE AND PRACTICES (KAP) ON EBOLA VIRUS DISEASE STUDIES IN AFRICA AND BEYOND Literature review was conducted based on the study’s specific objectives. The information gathered was used to have a broader view on the public knowledge, attitude and practices on Ebola Viral Infection. However, there was paucity of information on EVD preparedness level before the recent outbreak in Liberia.
  • 38. Residents Preparedness Level Against Ebola Virus Disease Resurgence 28 Babatunde Olowookere 910706002 Within the continent, EVD outbreaks have been confined to Central and East Africa until the 2014 outbreak in West Africa (WA). Since EVD was discovered in Africa in 1979, about twenty six (26) outbreaks have occurred.75 Studies on Knowledge of Ebola Viral Disease In September 2014, Saheed Gidado Abisola, M. Oladimeji,Alero Ann Roberts et al carrired out a study on Public Knowledge, Perception and source of information on Ebola virus Disease in Nigeria. The objectives were to assess the public preparedness level to adopt disease preventive behavior which is premised on appropriate knowledge, perception and adequate information.85 An interview administered questionnaire on 5,322 respondents in the twenty LGAs of Lagos State. Thirty three percent of respondents do not know the cause of EVD, Forty one percent of the respondents possessed satisfactory general knowledge; 44% and 43.1% possessed satisfactory knowledge on mode of spread and preventive measures, respectively. Sixty-six percent and 49% of respondents mentioned regular hand washing with soap and water, and avoiding contact with EVD case or suspect, respectively as a preventive measure to prevent EVD. Sixteen percent mentioned avoiding eating bush meat while 5% mentioned not participating in the burial rite of a person who died of EVD. The findings indicate a gap in EVD related Knowledge and perception. There is a need for targeted public health messages to raise knowledge level, correct misconception and discourage stigmatization should be widely disseminated, with television and radio as media of choice. In a similar study on Public Knowledge, Attitudes, and Practices Relating to Ebola Virus Disease (EVD) Prevention and Medical Care in Sierra Leone 2014. It was observed that the comprehensive knowledge on EVD prevention by the public is generally low. Only 39% of
  • 39. Residents Preparedness Level Against Ebola Virus Disease Resurgence 29 Babatunde Olowookere 910706002 the respondents were able to identify three means of prevention and rejected three misconceptions. Also it was found out that everyone (100%) is aware of EVD and 97% of the respondent surveyed belief EVD exist in Sierra Leone.76 Comprehensive knowledge of Ebola transmission and prevention is a prerequisite, although Insufficient in itself, for the adoption of behaviors that reduce the risk of EVD. Correct knowledge of the false modes of transmission is as important as knowing the correct modes – and enables one to better understand how to protect oneself. In August 2014, UNICEF and partners carried out a study on public Knowledge, attitudes and practices related to EVD prevention and medical care in Sierra Leone. The objectives were to examine public KAP related to EVD, identify barriers hindering containment of disease, and use the study to inform evidence based strategies in preventing the transmission of EVD and caring for those infected and affected by the outbreak.77 Key findings of the study highlighted good level of awareness and low denial of EVD, low comprehensive knowledge. Another study was sponsored by Start Fund in Sierra Leone.78 The aim was to find out if sensitization was effective in changing behavior to prevent Ebola transmission. One month after the first case of EVD was reported in the country. Start Fund through its partners responded by focusing on social mobilization and sensitization for 6 weeks. From 28 June to 12 August, the campaign reached 26% of the country’s approximately 6 million people. Eighty eight percent of the people reached opined that the campaign against Ebola was a way for the government and NGO’s to make money. At the end of the 45 day campaign, there was an increase from 39% to 85% of households that could correctly identify EVD prevention methods but there was no significant improvement in the time it takes for potential cases to seek care.78 Importantly though, specific changes like reduced attendance at funerals,
  • 40. Residents Preparedness Level Against Ebola Virus Disease Resurgence 30 Babatunde Olowookere 910706002 increased hand washing and using gloves, decreased hand shaking and better precautions from frontline health workers were observed. Studies on Attitude of Ebola Viral Disease A study on Public Knowledge, Attitudes, and Practices Relating to Ebola Virus Disease (EVD) Prevention and Medical Care in Sierra Leone 2014. A positive attitude towards preventive measures was also reported. Majority of respondents reported behavioral change due to the comprehensive knowledge on the causes of EVD. Radio was the preferred mean of receiving information and 96% of respondents reported some discriminatory attitude towards suspected victims and survivors of disaster.77 Respondents mentioned that health professionals and government agencies are the most trusted sources of information. However, a study in Sierrra Leone conducted by Catholic Relief Service in conjunction with UNICEF and FOCUS 1000, found out that nearly everyone (95%) is reporting some change in behavior since learning about Ebola. However, the percentage of people reporting that they avoid physical contact is alarmingly low (36%).76 Studies on Practices of Ebola Viral Disease In March 2015, the Knowledge, Attitudes and Practice (KAP) study was conducted between December 7th and 22nd, 2014, to gauge the success of social mobilization efforts to educate the general public on key Ebola prevention messages in the country. The study design included quantitative and qualitative components. A questionnaire survey from a representative sample of 1,140 households was conducted in 6 purposively selected counties (Montserrado, Grand Gedeh, Lofa, Nimba, River Cess and Grand Cape Mount). Counties
  • 41. Residents Preparedness Level Against Ebola Virus Disease Resurgence 31 Babatunde Olowookere 910706002 were selected to cover a range in the timing and impact of the Ebola epidemic in different parts of Liberia. The findings of the study indicated that the results demonstrate a high degree of community mobilization against Ebola in all of the sampled counties. Virtually all Liberians had heard about Ebola, accepted that Ebola was real, could identify the most common symptoms and name at least 3 ways of avoid becoming infected. Overwhelming agreement with intended behaviours such as isolation of those with symptoms, early treatment and safe burial show a newly emerged consensus supporting public health recommendations. Comparable levels of reported behaviour change in areas such as increased hand washing and reduced physical contact suggest new behaviour norms were being put into action across sampled communities by this stage in the Ebola epidemic. Perhaps the most striking finding is the high degree of community engagement in the response, where people were not only changing their own behaviour but interacting with family, friends, and neighbours to encourage them to do the same. Survey results found nearly half of respondents had engaged in some form of community action since the start of the epidemic. Overall 93% of respondents reported they first learned about Ebola through the radio. The next most common sources of information about Ebola were interpersonal communication with family, friends and neighbors (39%) and house to house visits by health extension workers (36%). Focus group discussions suggested radio reports, health visits and person-to- person interaction sometimes worked to mutually reinforce each other.79 A study on the KAP of care professional regarding EVD was carried out in India in August/September 2014. The study found satisfactory knowledge, attitude and practices (<50% score) among 73.6%, 83.1% and 69.2% of the participants respectively.80
  • 42. Residents Preparedness Level Against Ebola Virus Disease Resurgence 32 Babatunde Olowookere 910706002 CHAPTER THREE MATERIALS AND METHODOLOGY DESCRIPTION OF STUDY AREA Lagos State was created in 1967 out of the former western region by the then regime of the Military Head of State; General Yakubu Gowon (GCON) with its capital in Ikeja. Location/Extent The State is located in the south- western part of Nigeria on the narrow coastal flood plain of Bight of Benin. It lies approximately on longitude 20 420 E and 3 220 E East respectively and between latitude 600 220 N. Lagos State shares boundaries with Ogun State of Nigeria both in the North and East and is bounded on the west by the Republic of Benin and in the South by the Atlantic Ocean. It has five administrative divisions of Ikeja, Badagry, Ikorodu, Lagos Island and Epe. Lagos State has population of about 17.5 million.81 Administratively, the State has 20 Local Government Areas (LGAs).82 Lagos is a highly heterogeneous state comprising ethnic groups from virtually all over the country and home to significant international populations. There are 379 wards spread across these 20 LGAs with 276 Primary Health Care Centers (PHCC) which serve as the first points of contact for citizens seeking health care services. The smallest State in the Federation, it occupies an area of 358,862 hectares or 3,577 square kilometers, 22% (or 787sq. km) which consists of lagoons and creeks. Lagos State is the nation's economic nerve center with over 2,000 industries. Sixty five percent of the country's commercial activities are carried out in the state. In addition, it served as the nation busiest airport with two terminals international and cargo. Two of the nation's largest seaports - Apapa and Tin-Can Ports are located in the State. The State is also a tourist center with many tourism zones namely: Bar Beach Water; Lekki-Maiyegun resort; Kuramo Water; Epe-
  • 43. Residents Preparedness Level Against Ebola Virus Disease Resurgence 33 Babatunde Olowookere 910706002 Marina Cultural zone; Badagry Marina Recreation etc. Other prominent tourist attractions in the State include; City Hall (Headquarters of the Lagos Island Local Government); the National Arts Theatre, Iganmu; National Museum, Onikan; Holy Cross Cathedral, Lagos, the seat of Catholic Archdiocese; Relics of Brazilian and other colonial quarters; the site of the fallen Agia tree, Badagry, where Christianity was first preached in Nigeria in 1842; Oso- Lekki Breakwaters. There is also the Eyo festival which is held to mark important events in the state. While the State is essentially a Yoruba speaking environment, it is nevertheless a socio-cultural melting pot attracting both Nigerians and foreigners alike. The population of the three local Government Areas covered by this survey includes; Agege with an estimated population of 1,033,064, Ikeja 648,720 and Mushin 1,321,517.83 There are 30 Primary Health Care Centers (PHCC) in these three Local Government Areas which serve as the first points of contact for citizens seeking health care services. STUDY DESIGN The study was a descriptive; community-based cross-sectional survey assessing the level of preparedness amongst residents of Agege, Ikeja and Mushin Local Government Areas of Lagos State against EVD Resurgence. STUDY POPULATION The population was individuals aged 18 years and above who live or trade in the communities studied. The criteria for any respondent to be eligible for recruitment for the survey was that (s)he must have lived in the area for not less than three (3) months.
  • 44. Residents Preparedness Level Against Ebola Virus Disease Resurgence 34 Babatunde Olowookere 910706002 SAMPLE SIZE DETERMINATION The minimum sample size was determined using Cochran’s formula.84 The sample size for a Cross-sectional study design is given as n=Z2pq/d2 p = estimated prevalence rate of knowledge of (58%). Gotten from previous similar work done on the topic.85 q = 1-p d = margin of error (0.05) z = Confidence interval (Z score for 95% CI = 1.96) 𝑛 = 1.962 ∗ 0.58(1 − 0.58) 0.05² = 374.32 Anticipating a response rate of 90% was made by dividing the sample size calculated with a factor f that is n/f, where f is the estimated response rate. Thus the calculated sample size =374/0.09. The sample size is 416. INCLUSION CRITERIA Individuals of the household must be 18 years and above and live or trade in Agege, Ikeja and Mushin LGAs for not less than 3 months. EXCLUSION CRITERIA Individuals of the household below 18 years who do not live or trade in Agege, Ikeja and Mushin LGA for less than 3 months.
  • 45. Residents Preparedness Level Against Ebola Virus Disease Resurgence 35 Babatunde Olowookere 910706002 SAMPLING METHODOLOGY A multi-stage sampling was used. Multistage refers to sampling plans where the sampling is carried out in stages using smaller and smaller units at each stage. Stage one: Using simple random sampling (SRS) method, three local government areas (LGAs) were selected from the sampling frame of twenty (20) LGAs in Lagos State. The selected local government areas were Agege, Ikeja and Mushin. Stage two: The three (3) selected LGAs have 22 political wards from which, 5 wards per LGA were selected from each LGA using simple random sampling method from the list of wards in each LGA making a total of 15 wards. To select residents for the study, I divided my sample size (416) by three (3) which represent the LGAs. This gave 139 study participants per LGA. Thereafter, I divided the 139 per LGA by five (5) which represent the wards in each LGA selected, this cumulated to 28 residents per ward in each of the three (3) selected LGAs. To this end, having gotten the street names per ward from the three (3) LGAs information officers, each street per ward was listed alphabetically in their name. Stage three: Using SRS method, four streets in each ward were selected alphabetically interviewers visited the first street house starting from the first house on the right side of street. Any respondent who met the inclusion criteria was selected from each house, in other to meet the 28 residents per ward. In multi-dwelling houses, one household was selected using SRS method from each house by balloting.
  • 46. Residents Preparedness Level Against Ebola Virus Disease Resurgence 36 Babatunde Olowookere 910706002 DATA COLLECTION TOOL AND TECHNIQUE Data was collected using a structured paper-based interviewer administered questionnaire; it was both open-ended and close-ended. The questionnaire was written in English Language. The three (3) interviewers who are Corps members serving with National Emergency Management Agency (NEMA) were trained to administer the questionnaires and interpret it to respondents who may not understand English well enough. The collection of data lasted for two (2) months (July and August 2015). The survey questionnaire which contains 21 items was adapted and modified from several studies on knowledge, attitude and perception, level of Preparedness against EVD resurgence and practices regarding EVD.19 The questionnaire was structured in this format to elicit response from the respondents. Section A: Socio-demographic characteristics The variables are: Age: in years as at last birthday. Sex: male and female. Occupation: categories (professional, intermediate, manual skilled, non-manual skilled, unskilled)86 Professional: medical doctors, lawyers, architects Intermediate: civil servant, banker, insurance brokers, stock brokers Manual skilled: artisans Non- manual skilled: office clerk, office assistants Unskilled: traders, unemployed, housewives, students Religion: Christian, Islam, Traditional and other Highest level of education: None, Primary, Secondary, Tertiary
  • 47. Residents Preparedness Level Against Ebola Virus Disease Resurgence 37 Babatunde Olowookere 910706002 How long have you been resident here? Individuals of the household must be 18 years and above and live or trade in the communities studied for not less than 3 months Have you ever heard about Ebola Disease? Only residents that have heard of Ebola were interviewed and submitted for analysis. Section B: Knowledge of Ebola Viral Disease The variables are: What causes Ebola disease? (multiple responses allowed) How Ebola can be spread When the signs of illness are begin after the Ebola virus enters the body Is there a specific drug/ remedy to treat Ebola disease Is there a specific vaccine to treat Ebola Disease? How can you prevent yourself from contracting Ebola Disease? Section C: Sources and Channel of Information regarding EVD The variable is: How did you hear about Ebola virus disease (multiple responses allowed) Section D: Attitude and Perception regarding EVD The variables are: Do you think Ebola virus disease is a problem in Lagos (multiple responses allowed) Do you think you are in danger of infection with Ebola virus disease? Do you think government can do more to contain Ebola virus disease? Section D: Level of Preparedness against EVD resurgence The variable: What is done to prevent risk of spread of EVD at home or work, using five key practices, which are regular hand washing with soap and water, regular use of hand sanitizer,
  • 48. Residents Preparedness Level Against Ebola Virus Disease Resurgence 38 Babatunde Olowookere 910706002 avoidance of bushmeat, not touching people with EVD, non-participation in burial rites and what is done if a family member, relative/neighbor develop signs of Ebola. PRE-TESTING The questionnaires were pre-tested in assigned selected streets in Suru-lere LGA of Lagos State which is not included in the sample. Feedbacks from the pre-test were used to improve the questionnaire. INFORMED CONSENT Respondent’s informed consent duly obtained after explaining the purpose and procedure of the Research. This is in line with the “Helsinki Declaration” which emphasis the need for confidentiality of their responses, assured of voluntary participation and the opportunity for them to withdraw at any time without prejudice. ETHICAL CONSIDERATIONS Ethical approval was gotten from the Human Research and Ethics Committee (HREC) of the Lagos University Teaching Hospital and Informed consent was sought from each participant before the commencement of the exercise. METHODS OF DATA ANALYSIS The data gathered were analysed by Epi-info 3.5.4 and reported as frequencies and percentages. Also associations between variables were tested statistically using Chi-square and reported at a significance level of p < 0.05. The knowledge will be based on three EVD domains; mode of spread, symptoms and signs and preventive and control measures. scores were assigned to correct responses mentioned by respondents. Furthermore stratified analysis was done on satisfactory knowledge to access knowledge across each domain.84
  • 49. Residents Preparedness Level Against Ebola Virus Disease Resurgence 39 Babatunde Olowookere 910706002 Scoring of response Knowledge of Ebola Viral Disease-each correct response of the knowledge question was scored 1 mark and a wrong answer or non-response was scored 0. Total score achievable was 27 marks: 16 marks and above was categorized as satisfactory, below 16 marks was categorized as poor. Attitude and perception regarding Ebola Viral Disease- a set of 9 questions were used to evaluate overall level of attitude and perception of respondents to EVD. The maximum achievable score for attitude and perception was 9 marks. Respondents who scored 6 marks and above were categorized as positive attitude and perception while respondents that scored below 5 marks had a negative attitude and perception. Practices regarding Ebola viral Disease- Overall level of preparedness by Respondents against EVD resurgence. The maximum achievable for level of preparedness was 6 marks. Respondents who scored 4 marks and above were categorized as high level of preparedness while respondents that scored below 4 marks had low level of preparedness. LIMITATION OF THE STUDY Self-Reported behaviours may not always be arrayed with respondent’s actual practices. Current desirable responses may be claimed due to high awareness, sensitization of EVD being undertaken. Moreover, the study is a new research area; literature reviews documents particularly preparedness level against EVD resurgence was difficult to get.
  • 50. Residents Preparedness Level Against Ebola Virus Disease Resurgence 40 Babatunde Olowookere 910706002 CHAPTER FOUR RESULTS A total of 416 questionnaires were administered to the respondents. Three hundred and ninety said yes they have heard about Ebola Disease (93.98%) and were interviewed and submitted for analysis. While 26 respondents said they have not heard about Ebola Disease (6.02%) and no further analysis was done. Table 1: Respondents used in the study Heard about Ebola Disease (n=416) Number of respondents (%) Yes 390 ( 93.98) No 26 (6.02)
  • 51. Residents Preparedness Level Against Ebola Virus Disease Resurgence 41 Babatunde Olowookere 910706002 Table 2: Socio-demographic characteristics of respondents Socio-demographic characteristics (n= 390) Frequency (%) Age distribution (in years) <20 19 (4.6%) 21-30 130 (31.3%) 31-40 153 (36.8%) 41-50 70 (16.8%) 51-60 23 (5.5%) > 60 21 (5.0%) Sex Male 215 (51.7) Female 200 (48.1) Religion Christianity 249 (59.9) Islam 158 (38.0) Traditional 8(1.9) Others 1 (0.2) A total of 390 respondents were interviewed. Fifty one point seven percent were male; the mean age was 41 years (+35.7 years). Majority of the respondents were Christians (59.9%) (Table 2).
  • 52. Residents Preparedness Level Against Ebola Virus Disease Resurgence 42 Babatunde Olowookere 910706002 Table 3: Socioeconomic characteristics of respondents Highest level of formal education Frequency (%) None 5 (1.2) Primary 24 (5.8) Secondary 140 (33.7) Tertiary 247 (59.4) Occupation Professional 25 (6.0) Intermediate 38 (9.1) Manual Skilled 50 (12.0) Non- Manual Skilled 27 (6.5) Unskilled 209 (50.2) Duration of Residency < 1Year 93 (22.3) > 1Year 323 (77.6) The respondents were largely with tertiary education (59.4%) and (77.6%) of the respondents have lived in the survey area for more than one year and were mainly traders, unemployed, students or housewives (50.2%) (Table 3).
  • 53. Residents Preparedness Level Against Ebola Virus Disease Resurgence 43 Babatunde Olowookere 910706002 Table 4: Knowledge score of respondents on causes of Ebola disease What causes Ebola disease Correct (%) Incorrect (%) From infected animals 301 (77.0) 89(23) Contact with a person who is sick of Ebola disease 241 (57.9) 149 (42.1) Touching blood, urine, stool or saliva from a person who is sick with Ebola disease 190 (48.6) 200 (51.4) Sharing sharp objects such as razors, needles, etc. with a person who has Ebola disease 148 (37.9) 242 (62.1) Contact with beddings, clothing and other personal utensils (plates, cups) 119 (30.4) 271 (69.6) Participating in burial rites of a person who has died from Ebola Disease 98 (25.1) 292 (74.1) Seven-seven percent of the respondents believed that EVD is caused by infected animals to man, 57.9% of the respondents mentioned that it is caused by contact with a person who is sick of EVD. However, 74.1% incorrectly said that participating in burial rites of a person who has died from Ebola disease cannot cause EVD. This is a major key knowledge (Table 4).
  • 54. Residents Preparedness Level Against Ebola Virus Disease Resurgence 44 Babatunde Olowookere 910706002 Table 5: Knowledge on the spread of Ebola Viral disease (n=390) What causes Ebola disease Correct (%) Incorrect (%) From infected animals to man 271 (69.3) 119 (30.7) Touching blood, urine, stool or saliva from a person who is sick with Ebola disease 221 (56.5) 169 (43.5) Contact with a person who is sick of Ebola disease 201 (51.4) 189 (48.6) Sharing sharp objects such as razors, needles, etc. with a person who has Ebola disease 139 (35.5) 251 (64.5) Contact with beddings, clothing and other personal utensils (plates, cups) of a person who is sick of Ebola disease 130 (33.2) 260 (66.8) Participating in burial rites of a person who has died from Ebola Disease 110 ( 28.1) 280 (71,9) Sixty nine point three percent of the respondents correctly mentioned EVD is spread through infectious animals to man. While 56.5% of the said that is through touching blood, urine, stool, or saliva from a person who is sick of EVD and 71.9% incorrectly mentioned that by participating in burial rites of a person who has died from Ebola disease cannot spread the disease (Table 5).
  • 55. Residents Preparedness Level Against Ebola Virus Disease Resurgence 45 Babatunde Olowookere 910706002 Figure 1: Knowledge of Signs and Symptoms of Ebola Viral Disease mentioned by respondents (n=390) The top three signs and symptoms of EVD mentioned by respondents were diarrhea (94.0%), fever (52.6%) and weakness (45.9) (Figure 1). 21.9 24.0 26.4 32.2 36.1 43.8 45.9 47.1 52.6 94.0 0.0 20.0 40.0 60.0 80.0 100.0 Rash on the body Sore throat Body pains Abnormal bleeding from any part of… General feeling of unwell Headache Weakness Vomiting Fever Diarrhoea Percentage (%)
  • 56. Residents Preparedness Level Against Ebola Virus Disease Resurgence 46 Babatunde Olowookere 910706002 Table 6: Knowledge on when signs of illness of Ebola Viral Disease begins by Respondents (n=390) When do signs of illness begin after the EVD enters the body Correct (%) Incorrect (%) Between 2 and 21 days 208 (60.5) 182 (39.5) Only (60.5% 0.0%) of the respondents knew the correct duration before signs of illness of Ebola Viral Disease begins. Indicated that the signs of illness of EVD begin between 2 and 21 days which is good knowledge (Table 6).
  • 57. Residents Preparedness Level Against Ebola Virus Disease Resurgence 47 Babatunde Olowookere 910706002 Figure 2: Knowledge on sources and channels of information regarding EVD (n=390) Figure 2 shows the sources of information on EVD. Majority respondents 84.1% heard about EVD from radio, 83.8% got the information through television. While 7.7%, 14.3%, 6.1%, 7.2%, 17.4%, 12.6%, 10.3%, 11.5%, 10.6%, 25.6%, 15.4%, 25.6%, 24.8%, 23.5% heard about EVD from journal, newspapers, town announcer, mosque, church, family member, peers, health facility, flyer, internet site, social media, GSM/SMS, market, neighbourhoods respectively (Figure 2). 0 10 20 30 40 50 60 70 80 90 Radio Television Journal Newspaper Townannouncer Mosque Church Familymember Peers Healthfacility Flyer Internetsites SocialmediaN GSM/SMS Market Neighbourhood
  • 58. Residents Preparedness Level Against Ebola Virus Disease Resurgence 48 Babatunde Olowookere 910706002 Table 7: Level of preparedness against Ebola Viral Disease resurgence What do you do at Home/work to Reduce the risk of exposure? Correct (%) Incorrect (%) Regular hand wash with soap and water 321 (82.3) 69 (17.7) Regular use of hand sanitizer 217 (55.6) 173 (44.4) Avoid eating bush meal 112 (28.7) 278 (71.3) By not touching a person with suspected Ebola infection 92 (23.6) 298 (76.4) By not participating in burial rites of a person that dies of Ebola disease 57 (14.7) 333 (85.3) Majority (82.3%) of respondents correctly identified regular hand wash with soap and water, 55.6% the respondents said they use hand sanitizer. while 28.7% respondents avoid eating bush meat and 85.3% incorrectly said they will participate in burial rites of a person that died of Ebola disease (Table 7).
  • 59. Residents Preparedness Level Against Ebola Virus Disease Resurgence 49 Babatunde Olowookere 910706002 FFigure 3: Overall level of knowledge of respondents on EVD The overall level of knowledge shows of the 309 respondents, 281.68% possessed satisfactory knowledge on the Ebola while 135.32% possessed poor knowledge (Figure 3). 135, 32% 281, 68% Poor Satisfactory
  • 60. Residents Preparedness Level Against Ebola Virus Disease Resurgence 50 Babatunde Olowookere 910706002 Table 8: Knowledge score of respondents on EVD across all domains Respondents with good knowledge across all domains LGA Mode of spread Symptoms & Signs Preventive measure Level of Preparedness Knowledge in all domains Ikeja (139) 21(15.1%) 41(29.5%) 4(2.9%) 3 (2.2%) 10 (7.2%) Agege (136) 21 (15.4%) 3(23.5%) 2 (1.5%) 2 (1.5%) 3 (2.2%) Mushin (141) 20 (14.2%) 29 (20.6%) 6(4.3%) 8 (5.7%) 13 (9.2%) All respondents 62 (15.0%) 102 (24.5) 12(2.9%) 13 (3.1%) 26 (6.2) Knowledge across all domains shows that of the 390 respondents, 6.2% possessed satisfactory knowledge in all three domains. 15%, 24.5%, 2.9% and 13.1% possessed satisfactory knowledge in signs and symptoms, preventive measures and mode of spread and level of preparedness (Table 8).
  • 61. Residents Preparedness Level Against Ebola Virus Disease Resurgence 51 Babatunde Olowookere 910706002 Table 9: Association between Socio-demographic characteristics of respondents and their Knowledge of EVD (n=416) Variable Knowledge of EVD (%) X2 df p-value Poor Satisfactory Age < 20 8 (42.1%) 11 (57.9%) 19 8.476 6 0.205 21-30 42 (32.3%) 88 (67.7%) 130 31-40 43 (28.1%) 110 (71.9) 153 41-50 23 (32.9) 47 (67.1%) 70 51-60 9 (39.1%) 14(60.1%) 23 > 60 10 (43.5%) 11 (56.5%) 21 Sex Female 59 (29.5%) 141 (70.5%) 200 1.531 1 0.216 Male 76 (35.2%) 140 (64.8%) 216 Religion Christian 70 (28.1%) 179 (71.9%) 249 6.034 3 0.110 Islam 62 (39.2) 96 (60.8) 158 Traditional 3 (37.5%) 5 (62.5%) 8 Others 0 (0%) 1 (100.0%) 1 There was no statistically significant relationship between age and knowledge (p=0.205), sex and knowledge (p=0.216) and religion and knowledge (p=0.110). This means age, sex and religious does not determine the level of knowledge of respondents towards the prevention and spread of EVD (Table 9).
  • 62. Residents Preparedness Level Against Ebola Virus Disease Resurgence 52 Babatunde Olowookere 910706002 Table 10: Association between Socio-economic characteristics of respondents and their Knowledge of EVD (n=390) There was a statistically significant association between educational status and knowledge (p=0.000) and occupation and knowledge (p=0.001). This buttresses the fact that the higher the educational level and professionalism, the higher the knowledge of respondents on EVD prevention (Table 10). Variable Knowledge of EVD (%) X2 df p-value Poor Satisfactory Total Highest level Education None 5 (100.0%) 0 (0%) 5 23.968 3 0.000 Primary 14 (58.3%) 10 (41.7%) 24 Secondary 52 (37.1%) 88 (62.9%) 140 Tertiary 64 (25.9%) 183 (74.1%) 247 Occupation Professional 1 (4.0%) 24 (96.0%) 38 21.124 5 0.001 Intermediate 4 (10.5%) 34 (89.5%) 36 Manual skilled 17 (34.0%) 33 (66.0%) 50 Non-manual skilled 9 (33.3%) 18 (66.7%) 27 Partly skilled 26 (38.8%) 41 (61.2%) 67 Unskilled 78 (37.3%) 131 (62.7%) 209
  • 63. Residents Preparedness Level Against Ebola Virus Disease Resurgence 53 Babatunde Olowookere 910706002 Table 11: Association between Socio-demographic characteristics of respondents and their Attitude and perception of EVD (n=390). Variable Attitude and perception (%) X2 df p-value Negative Positive Total Age < 20 15 (78.9%) 4 (21.1%) 19 8.802 6 0.185 21-30 66 (50.8%) 64 (49.2%) 130 31-40 83 (54.2%) 70 (45.8%) 153 41-50 43 (61.4%) 27(38.6%) 70 51-60 14 (60.9%) 9 (39.1%) 23 > 60 15 (77.3%) 6 (22.7%) 21 Sex Female 111 (55.5%) 89 (44.5%) 200 0.238 1 0.626 Male 125 (57.9%) 91(42.1%) 216 Religion Christian 138 (55.4%) 111 (44.6%) 249 6.034 3 0.110 Islam 92 (58.2%) 66 (41.8%) 158 Traditional 5 (62.5%) 3 (37.5%) 8 Others 1 (0%) 0 (100.0%) 1 There was no statistically significant relationship between age and attitude and perception (p=0.185), sex and attitude and perception (p=0.626) and religion and attitude and perception (p=0.110) this indicates that age, attitude and perception, sex and religion does not determine a person’s level of knowledge towards the prevention of EVD (Table 11).
  • 64. Residents Preparedness Level Against Ebola Virus Disease Resurgence 54 Babatunde Olowookere 910706002 Table 12: Association between Socio-economic characteristics of respondents and their Attitude and perception regarding of EVD. There was no statistically significant relationship between highest level of education and attitude and perception (p=0.271). However, there was statistically significant relationship between occupation and attitude and perception (p=0.001). This supports the fact that professionalism can determine attitudinal change and perception towards EVD prevention (Table 12). Highest level Education None 4 (80.0%) 1 (20.0%) 5 3.916 3 0.271 Primary 17 (70.8%) 7(29.2%) 24 Secondary 74 (52.9%) 66 (47.1%) 140 Tertiary 141 (57.1%) 106 (42.9%) 247 Occupation Professional 18 (72.0%) 7 (28.0%) 38 21.124 5 0.001 Intermediate 23 (60.5%) 15 (39.5%) 36 Manual skilled 26 (52.0%) 24 (48.0%) 50 Non-manual skilled 19 (70.4%) 8 (29.6%) 27 Partly skilled 37 (55.2%) 30 (44.8%) 67 Unskilled 113 (54.1%) 96 (45.9%) 209 Variable Attitude and perception (%) Total X2 df p-value
  • 65. Residents Preparedness Level Against Ebola Virus Disease Resurgence 55 Babatunde Olowookere 910706002 Table 13: Association between Socio-demographic characteristics of respondents and their Level of Preparedness against of EVD resurgence Variable Level of preparedness (%) X2 Df p-value Low High Total Age < 20 16 (84.2%) 3 (15.8%) 19 8.9333 6 0.177 21-30 88 (67.7%) 42 (32.3%) 130 31-40 95 (62.1%) 58 (37.9%) 153 41-50 48 (68.6%) 22(31.4%) 70 51-60 18 (78.3%) 5 (21.7%) 23 > 60 18 (86.7%) 4 (13.3%) 21 Sex Female 141 (70.5%) 59 (29.5%) 200 1.081 1 0.298 Male 142 (65.7%) 74 (34.3%) 216 Religion Christian 156 (66.3%) 84 (33.7%) 249 1.532 3 0.675 Islam 112 (70.9%) 46 (29.1%) 158 Traditional 5 (62.5%) 3 (37.5%) 3 Others 1 (100.0%) 0 (0.0%) 1 There was no statistically significant relationship between age and level of preparedness (p=0.177), sex and level of preparedness (p=0.298) and religion and level of preparedness (0.675). Preparedness against EVD re-emergence do not determine by age, sex and religion (Table 13).
  • 66. Residents Preparedness Level Against Ebola Virus Disease Resurgence 56 Babatunde Olowookere 910706002 Table 14: Association between Socio-economic characteristics of respondents and their level of preparedness EVD resurgence Variable Level of preparedness (%) X2 Df p-value Low High Total Highest level Education None 5 (100.0%) 0 (0.0%) 5 4.916 3 0.185 Primary 18 (75.0%) 6 (25.0%) 24 Secondary 100 (71.4%) 40 (28.6%) 140 Tertiary 160 (64.8%) 87 (35.2%) 247 Occupation Professional 14 (56.0%) 11 (44.0%) 25 3.235 1 0.072 Intermediate 20 (52.6%) 18 (47.4) 38 Manual skilled 30 (60.0%) 20 (40.0%) 50 Non-Manual skilled 20 (74.1%) 7 (25.9%) 27 Partly skilled 50 (74.6%) 17 (25.4%) 67 Unskilled 149 (71.3%) 60 (28.7%) 209 There was no statistical significance between the highest level of education and level of preparedness (0.185). However there was a statistical significant association between occupation and level of preparedness (p=0.072). This affirmed to the fact that preparedness is a function of availability of resources and social class (Table 14).
  • 67. Residents Preparedness Level Against Ebola Virus Disease Resurgence 57 Babatunde Olowookere 910706002 Table 15: Association between Socio-demographic characteristics of respondents and practices regarding EVD Variable Practices regarding (%) X2 df p-value Negative Positive Total Age < 20 2 (10.5%) 17 (89.5%) 19 3.852 6 0.697 21-30 22 (16.9%) 108 (83.1%) 130 31-40 18 (11.8%) 135 (88.2%) 153 41-50 7 (10.0%) 63 (90.0%) 70 51-60 4 (17.4%) 19 (82.6%) 23 > 60 2 (13.3%) 19 (86.7%) 21 Sex Female 23 (11.5%) 177 (88.5%) 200 0.995 1 0.319 Male 32 (14.8%) 184 (85.2%) 216 Religion Christian 146 (58.6%) 103 (41.4%) 249 4.119 3 0.249 Islam 106 (67.1%) 52 (32.9%) 158 Traditional 6 (75.0%) 2 (25.0%) 8 Other 1 (100%) 0 (0%) 1 There was no statistically significant relationship between age and practices (p=0.697), sex and knowledge (p=0.319) and sex and practices (p=0.249). This shows that the age and sex do not determine practices towards EVD prevention (Table 15).
  • 68. Residents Preparedness Level Against Ebola Virus Disease Resurgence 58 Babatunde Olowookere 910706002 Table 16: Association between Socio-economic characteristics of respondents and practices regarding EVD resurgence Variable Practices regarding EVD Total X2 df p-value Negative Positive Highest level Education None 3 (60.0%) 2 (40.0%) 5 24.048 3 0.000 Primary 8 (33.3%) 16 (66.7%) 24 Secondary 23 (16.4%) 117 (83.6%) 140 Tertiary 21 (8.5%) 226 (91.5%) 247 Occupation Professional 0 (0.0%) 25 (100.0%) 25 10.359 5 0.066 Intermediate 1 (2.6%) 37 (97.4%) 38 Manual skilled 7 (14.0%) 43 (86.0%) 50 Non-Manual skilled 3 (11.1%) 24 (88.9%) 27 Partly skilled 13(19.4%) 54 (80.6%) 67 Unskilled 31 (14.8%) 178 (85.2%) 209 However there was a statistically significant association between educational status and practices (p=0.000) and occupation and practices (0.066). This implies that educational level and professionalism enhanced positive practices in EVD prevention and mode of spread (Table 16).
  • 69. Residents Preparedness Level Against Ebola Virus Disease Resurgence 59 Babatunde Olowookere 910706002 CHAPTER FIVE DISCUSSION Preparedness is a function of availability of resources, satisfactory knowledge, positive attitude and standard practices/protocols. It envisages entire health system from physician’s preparedness; hospital preparedness, laboratory and diagnostic preparedness to the public health preparedness. Ebola Virus Disease Preparedness has been underscored worldwide and in countries away from the epicenters of the current outbreak.87 Worthy of note is the fact that there was little interest in EVD preparedness level before the recent occurrence.88 The demographic pattern of participants in this study shows that majority of the respondents were male (51.7%) and are Christians (59.9%). More than half (58.1%) of the respondents had tertiary education and 50.2% were mainly traders, unemployed, students or housewives which had the highest number of respondents. The study also revealed that majority of the respondents have moderate knowledge of the signs of EVD (94%), spread of EVD (69.3%), signs of illness (50.0%), likely wise 78.5% of the respondents affirmed that to prevent contracting EVD by regular hand washing with soap and water, 59.5% of the respondents stated that not touching persons with suspected EVD infection, 55.0% mentioned regular use of hand sanitizer while 3.8% of the respondents do not know how to prevent contacting EVD. The findings above is not in tandem with the report of International Federation of Red cross and Red Crescent Societies stating that Liberian citizens have limited knowledge regarding the mode of transmission of the Ebola virus.89