Epidemiology of HIV Infection in the Developing World

  • Authors: Sunil Solomon, MBBS, PhD, MPH (More Info)
  • Editors in Chief: Daniel R. Kuritzkes, MD; Joseph J. Eron, Jr., MD
  • Last Reviewed: 11/1/21 (What's New)


  • The estimated rate of mother-to-child transmission (MTCT) of HIV in the absence of any intervention ranges from 15% to 45%[WHO MTCT]
  • Risk of MTCT at the time of delivery has been substantially reduced by the introduction of antiretroviral therapy[Guay 1999; Connor 1994; Shapiro 2009]
  • Most new HIV infections in children are attributable to MTCT[UNAIDS Data Book 2020]
  • Sub-Saharan Africa
      Other Regions

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