HIV Diagnosis in the U.S., 2002–2011

Using data from the CDC's National HIV Surveillance System, investigators analyzed trends in cases of HIV infection diagnosed from 2002 through 2011 among individuals aged ≥13 years. During this period, a total of 493,372 such diagnoses were made in the U.S.

The annual HIV diagnosis rate per 100,000 population decreased from 24.1 in 2002 to 16.1 in 2011 — a 33.2% reduction. The rates decreased for both sexes and for all age groups except 13 to 24 years, which showed a 38.4% increase. They also decreased for most racial/ethnic groups, as well as for people with infection attributed to injection drug use or heterosexual contact. Although the rate among men who have sex with men (MSM) remained stable overall, it increased in many age groups, wi…