How HIV is Transmitted | George House Trust


Different kinds of sex have different risks attached, anal sex is the most risky, followed by vaginal sex.  There is also a risk with oral sex, but the risk is greatly reduced.  HIV is present in sexual fluids - semen, pre-ejaculatory fluid, vaginal fluids and anal mucus and this is why it can be passed on during sex.  Whether HIV is transmitted is dependent on a number of factors, and these can be quite complex.  It is known that viral load is implicated in transmission and the higher the viral load, the higher the risk of transmission.

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