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Small-Scale Question Sunday for June 11, 2023

Do you have a dumb question that you're kind of embarrassed to ask in the main thread? Is there something you're just not sure about?

This is your opportunity to ask questions. No question too simple or too silly.

Culture war topics are accepted, and proposals for a better intro post are appreciated.

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As ever, the multipliers on these are wild:

An advanced stage of HIV infection in the index patient (odds ratio 17.6; 4.9 to 62.7) and sexual contacts during menses (3.4; 1.0 to 11.1) increased the risk of female to male transmission and stage of infection (2.7; 1.5 to 4.9), anal sex (5.1; 2.9 to 8.9), and age of the female partner (3.9; 1.2 to 13.0 for age > 45 years) increased the risk of male to female transmission.

Just applying as simple of heuristics as "don't screw people that are dying from AIDS and currently bleeding" prevents the vast majority of infections. The number of heterosexual teens getting HIV from hooking up at parties is just absolutely trivial.

But the question is not how many heterosexual teens get HIV from hooking up at parties. Rather, it what the lifetime risk of getting HIV is from heterosexual sex when using condoms versus when not using condoms. Because sex ed is not just about "what to do at parties."