The form of HIV that causes the vast majority of infections in humans is thought to have originated from a related chimpanzee virus called simian immunodeficiency ... in many parts of the world ...

Burundi and the north-east part of what was then the Belgian Congo, became contaminated with the simian immunodeficiency virus of chimpanzees (SIVcpz). Instantly, one is reminded of the simian ...

These cellular requirements distinguish lentiviruses such as HIV and simian immunodeficiency virus (SIV ... the main core constituent, is not part of the RTC. The RTC directs the synthesis ...