6. Background
Dengue fever–like illnesses were
described in Chinese medical
writings dating back to 265 AD.
In 1789, Benjamin Rush, MD,
published an account of a dengue
fever epidemic that had occurred in
Philadelphia in 1780.
7. The first epidemic of
dengue hemorrhagic fever
was described in Manila in
1953.
8. Frequency
Dengue virus causes about 100
million cases of acute febrile
disease annually, including more
than 500,000 reported cases of
DHF/DSS.
Currently, dengue is endemic in
112 countries.
9.
10. Race ; Age and Sex
Ethnicity is nonspecific
All ages are susceptible.
11. Both sexes have the same
incidence, however, fewer
cases have been reported more
in men than in women.
12. Transmission
o
by mosquito vectors
Aedes aegypti in the sub-
tropical and tropical Americas
Aedes albopictus in Asia