virus is it adifficult word isit means disease ? disability? death? prevention better than treatment yes this is what I want to say

1. virology
Virus you are the criminal
you are excellent virology
mohamed Taha

2. Again what we
can say about virus
 Simply
 Defined As
 A cellular organism
 Whose genome consists
of nucleic acid
 Either DNA or RNA never
both
 Obligatory replicate
inside the host cell
 Use host metabolic
machinery for replicate
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3. How old is The virus???
 Historical
Recognition
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Pox
 polio

4. It is Days of Pharos our
great grand parents
 What We
 Find
 Deformed leg looks like
 polio infected person
 pock Marks looks like
 Pox Lesions

 It is The oldest Viral picture
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5. Virus means?
 From The greeck Virus = poison
 Intially described By
 Edward Jenner
 During 1800
 All infectious agent consider to be viruses
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6. Koch and pure culture
Koch Develop Pure
culture Technique
 Allow
 Separation Growth of Bacteria
 In late 1800
 Bacteria ere purified and established
 as disease causing agent
 Then can be distinguishable from
 filterable agent (viruses)
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7. What is the first virus
described
 The first was the foot and mouth disease
 a picorna virus. 1898
 Yellow fever
 Flavi virus ,1900
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8. HIV oh ? Who Are you?
We are learning
We will Learn
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