Abstinence-only agenda replaces condom message. Conservative message travels around world.

Twenty years into the HIV epidemic, behavioral scientists appear to have a pretty good idea of what type of education works in preventing the spread of HIV, particularly among high-risk populations. It can be summed up in one word: condoms. So some public health officials and others are baffled by a backlash against the use of condoms and, by extension, groups that promote comprehensive sexual education for youth.