How does HIV spread to heterosexual males substantially if the risk for getting it from an encounter is less than 1 out of 1,000?

Question

So they say the rate for vaginal sex is [less than 1 out of 1000](https://www.hiv.va.gov/patient/faqs/risk-of-unprotected-sex-with-woman.asp). So how do most heterosexuals get it. Is it through anal sex or drugs and would that man a heterosexual that has vaginal sex has a negligible chance of getting it? Apparently if you’re circumsized too your risk is much less as well?

In: Other

Answer 1

Exposure to contaminated blood, sharing needles from drug use, rape, one unlucky 1/1,000 fuck.

There are about 150 million heterosexual males in the US (very rough eatimate). That’s a lot of chances for the thousand-sided die to land a natural 1.