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[citation needed] It is also unclear why the SIVcpz endemic in the chimpanzee subspecies Pan troglodytes schweinfurthii (inhabiting the Democratic Republic of Congo, Central African Republic, Rwanda, Burundi, Uganda, and Tanzania) did not spawn an epidemic HIV-1 strain to humans, while the Democratic Republic of Congo was the main centre of HIV ...
HIV-1 is most similar to the SIV found in common chimpanzees (SIVcpz) in southeastern Cameroon, giving rise to the notion that HIV-1 emerged from chimpanzees in this area. [4] SIVcpz itself emerged in chimpanzees as the result of a recombination of two separate lineages of SIV known to infect red-capped mangabey, and Cercopithecus species. [3] [5]
This is a timeline of HIV/AIDS, including but not limited to cases before 1980. Pre-1980s See also: Timeline of early HIV/AIDS cases Researchers estimate that some time in the early 20th century, a form of Simian immunodeficiency virus found in chimpanzees (SIVcpz) first entered humans in Central Africa and began circulating in Léopoldville (modern-day Kinshasa) by the 1920s. This gave rise ...
The Oral polio vaccine AIDS hypothesis (OPV AIDS) is a now-discredited hypothesis which argued the AIDS pandemic originated from live polio vaccines prepared in chimpanzee tissue cultures, accidentally contaminated with simian immunodeficiency virus and then administered to up to one million Africans between 1957 and 1960 in experimental mass vaccination campaigns.
Scientific and medical research determined the chimps hunt and eat two smaller monkey species red-capped mangabeys and greater spot-nosed monkeys which carried two strains of SIV which combined through infection and transmission into "SIVcpz", a virus almost identical to HIV, which eventually spread to humans. [10]
'It's probably easier ... to leave out that dark story and just not touch on it,' Roberts told The Times, 'in the service of the great forgetting.'
Various fringe theories have arisen to speculate about purported alternative origins for the human immunodeficiency virus (HIV) and the acquired immunodeficiency syndrome (AIDS), with claims ranging from it being due to accidental exposure to supposedly purposeful acts. Several inquiries and investigations have been carried out as a result, and ...
Brennan: What hasn't changed about HIV since Magic's diagnosis — I mean, again, we don't want to undersell how important it was that he came out, that he became an advocate for more resources ...