Three million people in poor and middle income countries were taking drugs to treat AIDS at the end of 2007, a conference of 1700 doctors and health experts in Kampala heard last week.

The 2008 HIV/AIDS Implementers’ Meeting also heard that the world population of people with HIV fell from 39.5 to 33.2 million between 2006 and 2007. The number of newly infected people in 2007 was 2.5 million, down from 3.2 million in 1998.

These figures were in a report produced jointly …