less then 3 % from a single anal sex act sounds fishy....
Sep 17, 2009
Doctor i have read on here that a single anal sex with a partner known to be hiv pos is equal or less then 3% chance one might get infected..... some thing about that just dose not sound right.... do you agree with this data i trust your opinon. james
Response from Dr. McGowan
Thanks for your question.
According to the US Department of Health and Human Resources and the CDC the risk of acquiring HIV from being the receptive partner during anal sex ("Bottom") is 50 out of 10,000 exposures which is about 0.5% risk. However statistics are tricky. Any given exposure has either a 100% or a 0% risk in reality. Things that increase risk would be if the infected partner has a high viral load, or if their was alot of trauma during sex, or if their were sores present from an STD (like herpes or syphilis). So the 3% sounds high, but not out of line if some of the "high-risk" factors were present.
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