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: 11/1/21 (What's New)


  • Sub-Saharan Africa continues to bear the largest burden of the HIV epidemic in the developing world, although the epidemic appears to have stabilized in this region
    • HIV transmission in this region is predominantly through heterosexual intercourse
  • Growing epidemics among other risk groups, including sex workers, people who inject drugs, transgender people, MSM, and prisoners are occurring in African countries as well as in other regions, including Eastern Europe and Southeast Asia

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