Saturday, June 11, 2011

CDC estimates that more than one million people are living with HIV

CDC estimates that more than one million people are living with HIV in the United States. One in five (21%) of those people living with HIV is unaware of their infection.

Despite increases in the total number of people living with HIV in the US in recent years, the annual number of new HIV infections has remained relatively stable. However, new infections continue at far too high a level, with an estimated 56,300 Americans becoming infected with HIV each year.

More than 18,000 people with AIDS still die each year in the US. Gay, bisexual, and other men who have sex with men (MSM)† are strongly affected and represent the majority of persons who have died. Through 2007, more than 576,000 people with AIDS in the US have died since the epidemic began.

HIV Incidence and Prevalence, US, 1977-2006

HIV Incidence and Prevalence, US, 1977-2006 This graph is a line chart with the following movements There is a solid line representing the People Living with HIV/AIDS. The line starts in 1977 with zero infections and remains flat until mid-way through in the 1979 when it starts to an upward curve. It then begins to curve upwards sharply until mid-way through 1989 at about 700,000 infections, and it begins to plateau until 1996 where it begins another steady upward incline until the year 2006 and stops at about 1.1 million infections. There is also another dotted line that represents New HIV Infections. This lines starts at 1977 and remains flat until 1981 when it increases to about 150,000 infections in 1984 and then decreases to 100,000 in 1986 and remains flat until 1991 where it decreases again to about 40,000 infections. Midway through 1996, the line increases again to indicate an increase in the number of infections to about 56,000 where it remains, stopping at 2006.

Hall HI, Song R, Rhodes P, et al. Estimation of HIV Incidence in the US. JAMA 2008;300: 520–529.

CDC. HIV prevalence estimates—US, 2006. MMWR 2008;57(39):1073-76.

By Risk Group

  • Gay, Bisexual, and Other Men Who Have Sex with Men (MSM): By risk group, gay, bisexual, and other MSM of all races remain the population most severely affected by HIV.
    • MSM account for more than half (53%) of all new HIV infections in the U.S. each year, as well as nearly half (48%) of people living with HIV.
    • While CDC estimates that MSM account for just 4% of the US male population aged 13 and older, the rate of new HIV diagnoses among MSM in the US is more than 44 times that of other men and more than 40 times that of women.
    • White MSM account for the largest number of annual new HIV infections of any group in the US, followed closely by black MSM.
    • MSM is the only risk group in the U.S. in which new HIV infections have been increasing since the early 1990s.
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