The percentage of HIV infections in the U.S. that are undiagnosed is particularly high among blacks, high-risk heterosexual men, and young people.
Of the estimated 1.1 million Americans living with HIV infection, 21% do not know that they are infected. Which groups are most likely to have undiagnosed HIV infection? CDC researchers used a back-calculation method and HIV/AIDS surveillance data to estimate the prevalence of both diagnosed and undiagnosed infections in 2006.
The percentage of infections that were undiagnosed varied substantially by race/ethnicity, age, and risk group:
22% for blacks and Hispanics, versus 19% for whites
48% for those aged 13–24, versus 28% for those aged 25–34 and <20% for those aged ≥35
27% for men with high-risk heterosexual contact, 24% for men who have sex with men (MSM), and 14% for injection-drug users. Among MSM, substantial differences were seen by rac…
Reviewing Author
DisclosuresGrant/Research SupportNIH
Editorial BoardsUpToDate; ID Images (idimages.org); Infectious Diseases Society of America COVID-19 Treatment Guidelines; International Antiviral Society–USA (Guidelines Committee)
Leadership Positions in Professional SocietiesHIV Medicine Association; Infectious Diseases Society of America (Board of Directors)
DisclosuresGrant/Research SupportNIH
Editorial BoardsUpToDate; ID Images (idimages.org); Infectious Diseases Society of America COVID-19 Treatment Guidelines; International Antiviral Society–USA (Guidelines Committee)
Leadership Positions in Professional SocietiesHIV Medicine Association; Infectious Diseases Society of America (Board of Directors)