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MED VIROLOGY 1(Pt.2) - Coggle Diagram
MED VIROLOGY 1(Pt.2)
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HIV 1& 2
HIV 2 is less infectious and less pathogenic than HIV 1, low transmissability
Chimpanzees are the animal origin of most HIV 1 strains(M, N and O subtypes)
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M group>current pandemic , P group(new)-SIV gorrilla
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T cell Leukaemia
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Infective dermatitis>present with chronic, severe impetigo>develop ATL later in life
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Transmission of HIV
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Needle stick injuries, blood transfusions
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Course of HIV infection
Exposure(2-4wks)>Primary infection>Asymptomatic phase(2-10 yrs)>dev. of opportunistic infections>AIDS
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