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  2. History of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/History_of_HIV/AIDS

    The discovery of the main HIV/SIV phylogenetic relationships permits explaining broad HIV biogeography: the early centres of the HIV-1 groups were in Central Africa, where the primate reservoirs of the related SIVcpz and SIVgor viruses (chimpanzees and gorillas) exist; similarly, the HIV-2 groups had their centres in West Africa, where sooty ...

  3. 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 ...

  4. Timeline of early HIV/AIDS cases - Wikipedia

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

    In 2008, the sample was tested by researchers, identifying partial HIV viral sequences. [8] The specimen, named DRC60 contained a strain of HIV-1 around 88% similar to LEO70, but was found to be most closely related to HIV-1 (M) subgroup A isolates. These two specimens are significant not only because they are the oldest known specimens of HIV ...

  5. Subtypes of HIV - Wikipedia

    en.wikipedia.org/wiki/Subtypes_of_HIV

    [2] HIV-1 viruses can be further stratified into groups M, N, O, and P. Among these, HIV-1 group M viruses are the most prevalent, infecting nearly 90% of people living with HIV and are responsible for the global AIDS pandemic. Group M can be further subdivided into subtypes based on genetic sequence data.

  6. HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/HIV/AIDS

    Two types of HIV have been characterized: HIV-1 and HIV-2. HIV-1 is the virus that was originally discovered (and initially referred to also as LAV or HTLV-III). It is more virulent, more infective, [99] and is the cause of the majority of HIV infections globally. The lower infectivity of HIV-2 as compared with HIV-1 implies that fewer people ...

  7. HIV - Wikipedia

    en.wikipedia.org/wiki/HIV

    Two types of HIV have been characterized: HIV-1 and HIV-2. HIV-1 is the virus that was initially discovered and termed both lymphadenopathy associated virus (LAV) and human T-lymphotropic virus 3 (HTLV-III). HIV-1 is more virulent and more infective than HIV-2, [20] and is the cause of the majority of HIV infections globally. The lower ...

  8. HIV/AIDS in the United States - Wikipedia

    en.wikipedia.org/wiki/HIV/AIDS_in_the_United_States

    The 2022–2025 National HIV/AIDS strategy "recognizes racism as a serious public health threat that drives and affects both HIV outcomes and disparities", and while every part of the U.S. is threatened with the HIV/AIDS epidemic, "certain populations bear most of the burden signaling where our HIV prevention, care, and treatment efforts must ...

  9. Epidemiology of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Epidemiology_of_HIV/AIDS

    Testing can be done for those between the ages of 13 and 64. The CDC recommends testing for HIV at least once for routine health care. HIV tests have a high accuracy and the tests come in the form of antibody tests, antigen/antibody tests, and NATS (nucleic acid test). [32]