hiv origin: The origin of HIV that causes AIDS has been found in wild chimpanzees living in southern Cameroon, according to an international team of scientists. A virus called SIVcpz (Simian

Though there are more than 160 species of the plasmodium parasite, only four infect humans. Amongst the two common ones, Pf is more closely related to the parasite that causes malaria in chimpanzees and birds. Pv, in contrast, is more like the one that affects macaques, a tropical monkey.

This article examines the divergent political responses to unplanned exposure to genetically modified organisms (GMOs) in the Global South. Although scientific and domestic political considerations have some relevance to explaining different positions among developing countries, trade considerations appear to be a principal driver of GMO policy.