Kevin DeCock, an epidemiologist with the U.S. Centers for Disease Control and Prevention (CDC) who in 1988 started Projet RETRO-CI in Abidjan, Côte d'Ivoire, bristles at the way people often refer to Africa as one place. "Africa's not really just one big village where everyone lives at subsistence levels," says DeCock, who is now based in Kenya. By the same token, African AIDS research differs markedly from place to place--and some of it is hardly operating at subsistence levels. Projet RETRO-CI, which now receives $4 million annually from the CDC, has excellent, state-of-the-art equipment, including this walk-in freezer trailer that stores blood samples.
(Photograph by Malcolm Linton)