Epidemiology of HIV Infection in the Developing World

  • Authors: Sunil Solomon, MBBS, PhD, MPH; Suniti Solomon, MD (More Info)
  • Editors in Chief: Daniel R. Kuritzkes, MD; Joseph J. Eron, Jr., MD
  • Last Reviewed: 4/1/16 (What's New)


    Origin of HIV
    • HIV is likely to have originated from a form of simian immunodeficiency virus found in the West-Central African chimpanzee[Gao 1999]
    • HIV is believed to have entered the United States via Haiti in the late 1960s[Gilbert 2007]
    Distribution of HIV Strains and Subtypes
    • 2 types of HIV infect humans: HIV-1 and HIV-2
    Classification of Epidemics and Their Distribution

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