Remember that hiv appeared in humans twice, so its jump to humans is clearly not a highly unlikely event that can easily be butterflied away.
Probably siv jumped to humans dozens or hundreds of times, but stayed confined to specific villages or areas, then died out when the village died.
What REALLY gave hiv its chance was the mass movement of thousands of men into cities, miningcamps, etc, vastly increasing prostitution and mobility. So instead of the virus being confined to one hunter and his wives, or maybe the village if he wasnt faihful, it now got to spread across a continent.
My contribution to one of those other threads.
No. It only jumped AND SPREAD twice. It surely jumped hundreds of times in history before that - it just killed off all the locals, and died out.Yes. It only jumped to humans twice, as opposed to most every even remotely common human disease you care to name. The fact that it only jumped the species gap twice, as opposed to many times over, suggests that, yes, actually, it should be fairly easy to either butterfly entirely or at least stamp out early.
Damn you, Leopold II. If you hadn't clusterfucked up the Congo and left it at some degree of "hellhole" for the next, oh, two centuries or so, maybe one of those would actually have happened OTL!!!!!
The youth could shack without having to worry about a killer STD.
Now all they have to worry about is pregnancy and relatively benign STD (benign as in those with a cure if discovered on time).
As for the rest, better ask some witchdoctor with his crystal ball.
Note that the second jump was nowhere near the Congo, so Leopold f***ing that up or not wouldn't stop HIV-2.
Umm-Herpes, Genital warts, HPV, Crabs, etc.