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  2. HIV/AIDS in the United States - Wikipedia

    en.wikipedia.org/wiki/HIV/AIDS_in_the_United_States

    The AIDS epidemic, caused by HIV (Human Immunodeficiency Virus), found its way to the United States between the 1970s and 1980s, [2] but was first noticed after doctors discovered clusters of Kaposi's sarcoma and pneumocystis pneumonia in homosexual men in Los Angeles, New York City, and San Francisco in 1981.

  3. HIV/AIDS in North America - Wikipedia

    en.wikipedia.org/wiki/HIV/AIDS_in_North_America

    HIV/AIDS in North America. As of 2016, it is estimated that there are 1.5 million adults and children living with HIV/AIDS in North America, excluding Central America and the Caribbean. [ 1] 70,000 adults and children are newly infected every year, and the overall adult prevalence [clarification needed] is 0.5%.

  4. Robert Rayford - Wikipedia

    en.wikipedia.org/wiki/Robert_Rayford

    Robert Lee Rayford[1] (February 3, 1953 – May 15, 1969), [2] sometimes identified as Robert R. due to his age, was an American teenager from Missouri who has been suggested to represent the earliest confirmed case of HIV/AIDS in North America. This is based on evidence published in 1988 in which the authors claimed that medical evidence ...

  5. 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 ...

  6. History of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/History_of_HIV/AIDS

    History of HIV/AIDS. False-color scanning electron micrograph of HIV-1, in green, budding from cultured lymphocyte. AIDS is caused by a human immunodeficiency virus (HIV), which originated in non-human primates in Central and West Africa. While various sub-groups of the virus acquired human infectivity at different times, the present pandemic ...

  7. HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/HIV/AIDS

    Acquired immunodeficiency syndrome (AIDS) is defined as an HIV infection with either a CD4 + T cell count below 200 cells per μL or the occurrence of specific diseases associated with HIV infection. [33] In the absence of specific treatment, around half of people infected with HIV develop AIDS within ten years. [33]

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