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  2. History of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/History_of_HIV/AIDS

    [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 ...

  3. Timeline of early HIV/AIDS cases - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_early_HIV/AIDS...

    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]

  4. Timeline of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_HIV/AIDS

    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 ...

  5. Beatrice Hahn - Wikipedia

    en.wikipedia.org/wiki/Beatrice_Hahn

    One experiment performed on fifty chimpanzees resulted in only two possessing HIV-1 cross-reactive antibodies, which showed a much lower SIVcpz infection rate in contrast to other naturally occurring SIV infections. This finding indicated that there was a third unknown source that both humans and chimpanzees could have acquired the virus from. [12]

  6. Oral polio vaccine AIDS hypothesis - Wikipedia

    en.wikipedia.org/wiki/Oral_polio_vaccine_AIDS...

    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.

  7. Inside Tonka's life after 'Chimp Crazy': Vegan meals ... - AOL

    www.aol.com/news/inside-tonkas-life-chimp-crazy...

    It’s been just over two years since Tonka arrived at Save the Chimps, a 150-acre parcel of protected land where 222 apes born in captivity have come to live out their retirement.

  8. Danny Roberts is HIV-positive. So why did 'The Real World ...

    www.aol.com/news/danny-roberts-hiv-positive-why...

    '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.'

  9. Timeline of human evolution - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_human_evolution

    The last common ancestor between humans and other apes possibly had a similar method of locomotion. 12-8 Ma The clade currently represented by humans and the genus Pan (chimpanzees and bonobos) splits from the ancestors of the gorillas between c. 12 to 8 Ma. [31] 8-6 Ma Sahelanthropus tchadensis

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