[pitpatagain]

Prep has been studied for IV drug users. It works, enough that it is recommended, but is much less effective. IV drug use is a massively more efficient transmission route than any type of sexual contact.

[42772827]

>IV drug use is a massively more efficient transmission route than any type of sexual contact.

Yes, and people who take IV drugs are much less likely than men who have sex with men in general to take a pill daily.