Higher risk for recepve or acve partner than passive

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Unformatted text preview: issions (mother to child transmission during pregnancy and delivery may equal 25% if no an.- retrovirals are used). Breast feeding also can transmit HIV. 2.  Sexual ac.vi.es with highest chance of transmission a. Recep.ve and inser.ve anal sex b. Recep.ve and inser.ve vaginal sex c. Fella.o poses a significantly lower chance of transmission, but NOT zero. Higher risk for recep.ve or ac.ve partner than passive partner. Cunnilingus appears to pose a low risk for both partners, though licle data is available. d. Circumcision seems to lower HIV transmission rate (higher evidence for this with heterosexual ac.vity than homosexual ac.vity) 3.  Best protec.on if engaging in sexual ac.vity is to use a Condom- HIGHLY EFFECTIVE IF USED CORRECTLY! HIV O is mostly in north america. unfortunately people who gets HIV1 and 2. the HIV 1 is tenuated. NOMENCLAUTRE OF HIV VIRUSES 1.  HIV1 versus HIV 2 2.  3.  4.  HIV1 perhaps transmiced from chimpanzees to humans (zoonosis) four .mes (accounts for HIV1- M (main), O (outlier) N (new- neither M nor O) and P. HIV2 passed to humans perhaps once from the Sooty Mangabey (old world monkey). HIV 1 far more common than HIV 2 and causes almost all of current infec.ons. HIV1 M is the dominant type. HIV 1 M divided into clades , A- K (there are no clades E or I) Can be infected with more than 1 clade 5.  Circula.ng Recombinant Forms (CRF) e.g. AGHK 6. Clade B mostly affects N. America, while Clade C is common in South Africa, due most likely t...
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