I've been doing a bit of ferriting and it appears that in common with the US and other "developed" countries, AIDS in Africa was fist diagnosed among very promiscuous homosexual groups, so homosexuality and the promiscuity which statistics tell us goes along with it, appears to be the "trigger".
The disease soon spreads to heterosexuals, through bi-sexual activity and intravenous drug abuse. In a very short time deaths from AIDS amongst hetrosexuals outnumber deaths among homosexuals, due to the difference in population percentages.

I see what you're saying Sinsull, but will human life be brought to an end by the disease or the remedy?