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A Proposed Chronology for the Emergence of the HIV/AIDS Epidemic

A Proposed Chronology for the Emergence of the HIV/AIDS Epidemic. Late 19 th - early 20 th century: SIV cpz transmission from chimpanzee to human as source of HIV-1 group M in Africa 1 Late 1960’s – early 1970’s: HIV-1 subtype B spreads to Caribbean/U.S. 2

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A Proposed Chronology for the Emergence of the HIV/AIDS Epidemic

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  1. A Proposed Chronology for the Emergence of the HIV/AIDS Epidemic • Late 19th - early 20th century: SIVcpztransmission from chimpanzee to human as source of HIV-1 group M in Africa1 • Late 1960’s – early 1970’s: HIV-1 subtype B spreads to Caribbean/U.S.2 • 1979: First U.S. AIDS cases identified through retrospective surveillance3 • June,1981: First report of AIDS4 1M. Worobey. Nature (2008) 2M. Worobey. Unpublished. 3CDC Task Force. N Engl J Med (1982) 4CDC. MMWR (1981)

  2. Adults and children estimated to be living with HIV  2011 Eastern Europe & Central Asia 1.4 million [1.1 million – 1.8 million] Western & Central Europe 900 000 [830 000 – 1.0 million] North America 1.4 million [1.1 million – 2.0 million] East Asia 830 000 [590 000 – 1.2 million] Middle East & North Africa 300 000 [250 000 – 360 000] Caribbean 230 000 [200 000 – 250 000] South & South-East Asia 4.0 million [3.1 million – 5.2 million] Sub-Saharan Africa 23.5 million [22.1 million – 24.8 million] Latin America 1.4 million [1.1 million – 1.7 million] Oceania 53 000 [47 000 – 60 000] Total: 34.0 million [31.4 million – 35.9 million]

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