HIV has been in retreat around the world. But with cuts to foreign aid, it's less clear where the trend lines go from here. NPR's Ari Shapiro talks to author Emily Bass about the future of the virus.

HIV has been in retreat around the world. Fewer people are dying of the disease.New infections are decreasing. More HIV ...

A photo of a spiky creature has been widely shared online in Tanzania and Kenya with claims that it shows the human ...

Andrew Oakes told Newsweek he wanted to die after the diagnosis because it was like a dirty secret and people called him reckless.

First it was referred to as a "mysterious illness." Later it was called "gay cancer," "gay plague" and "GRID," an acronym for ...