Every year, an estimated 630,000 people in Africa die of HIV-related conditions, with around one third of these caused by bacterial, fungal and parasitic infections that attack the CNS.

Human immunodeficiency virus is closely related to the simian immunodeficiency virus (SIV) found in chimpanzees in central Africa. This virus is called SIVcpz to distinguish it from forms of SIV less ...

But cost kept the drugs out of reach for African countries. Only about 100,000 of the 20 million people infected with HIV in Africa were accessing drug treatment in 2003. A major breakthrough came ...