I wouldn’t put too much faith in the 1/2000 figure for chance of HIV transmission. There is no known way to calculate that with any reasonable confidence. Estimates vary from something like 1⁄500 to 1/2500 (this is for vaginal sex; anal sex has much higher transmission risk).
I wouldn’t put too much faith in the 1/2000 figure for chance of HIV transmission. There is no known way to calculate that with any reasonable confidence. Estimates vary from something like 1⁄500 to 1/2500 (this is for vaginal sex; anal sex has much higher transmission risk).