The first blood transfusion in Africa
Does it matter when the first blood transfusion occurred in Africa? If we are to believe the Serial Passage Theory of HIV emergence, then sometime in the early twentieth century, not one, but as many as a dozen strains of simian immunodeficiency virus (SIV) passed from West African apes and monkeys to people, although only a handful became epidemic, and only one – HIV-1M – became a global pandemic.