HIV Testing and Diagnosis

  • Author: Peter Leone, MD (More Info)
  • Editors in Chief: Daniel R. Kuritzkes, MD; Joseph J. Eron, Jr., MD
  • Last Reviewed: 1/9/18 (What's New)


  • Estimated incidence of new HIV diagnoses (12.3/100,000 population in 2016), including those classified as stage 3 (AIDS) (5.6/100,000 population in 2016), decreased in the United States from 2011-2015[CDC 2016]
  • An estimated 39,782 new HIV infections occurred in 2016,[CDC 2016] with approximately one third of all new infections in the United States estimated to be the result of transmission from individuals who remain undiagnosed[Skarbinski 2015]
  • CDC estimates that approximately 14.0% of those living with HIV/AIDS in the United States are unaware of their status; these rates are estimated to be comparable to those among MSM (16.0%)[CDC 2014]
  • Barriers to HIV Testing
      Success of HIV Testing
        Controversy of Expanded HIV Testing

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