Ninety-nine percent of AIDS and HIV cases in Africa come from sexual transmission, virtually all heterosexual. So says the World Health Organization, with other agencies toeing the line. Massive condom airdrops accompanied by a persuasive propaganda campaign would practically make the epidemic vanish overnight. Or would it? A determined renegade group of three scientists has fought for years – with little success – to get out the message that no more than a third of HIV transmission in Africa is from sexual intercourse and most of that is anal. By ignoring the real vectors, they say, we’re sacrificing literally millions...