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CDC estimates that 1,218,400 persons aged 13 years and older are '); document.write('living with HIV infection, including 156,300 (12.8%) who are '); document.write('unaware of their infection. Over the past decade, the number of '); document.write('people living with HIV has increased, while the annual number of '); document.write('new HIV infections has remained relatively stable. Still, the pace '); document.write('of new infections continues at far too high a level—particularly '); document.write('among certain groups.
HIV Incidence (new infections): The estimated '); document.write('incidence of HIV has remained stable overall in recent years, at '); document.write('about 50,000 new HIV infections per year. Within the overall '); document.write('estimates, however, some groups are affected more than others. MSM '); document.write('continue to bear the greatest burden of HIV infection, and among '); document.write('races/ethnicities, African Americans continue to be '); document.write('disproportionately affected.
HIV Diagnoses (new diagnoses, regardless of '); document.write('when infection occurred or stage of disease at diagnosis): In 2013, '); document.write('an estimated 47,352 people were diagnosed with HIV infection in the '); document.write('United States. In that same year, an estimated 26,688 people were '); document.write('diagnosed with AIDS. Overall, an estimated 1,194,039 people in the '); document.write('United States have been diagnosed with AIDS.
Deaths: An estimated 13,712 people with an AIDS '); document.write('diagnosis died in 2012, and approximately 658,507 people in the '); document.write('United States with an AIDS diagnosis have died overall. The deaths '); document.write('of persons with an AIDS diagnosis can be due to any cause—that is, '); document.write('the death may or may not be related to AIDS.
Gay, bisexual, and other men who have sex with '); document.write('men (MSM) of all races and ethnicities remain the '); document.write('population most profoundly affected by HIV.
In 2010, the estimated number of new HIV infections among MSM '); document.write('was 29,800, a significant 12% increase from the 26,700 new '); document.write('infections among MSM in 2008.
Although MSM represent about 4% of the male population in the '); document.write('United States, in 2010, MSM accounted for 78% of new HIV infections '); document.write('among males and 63% of all new infections. MSM accounted for 54% of '); document.write('all people living with HIV infection in 2011, the most recent year '); document.write('these data are available.
In 2010, white MSM continued to account for the largest number '); document.write('of new HIV infections (11,200), by transmission category, followed '); document.write('closely by black MSM (10,600).
The estimated number of new HIV infections was greatest among '); document.write('MSM in the youngest age group. In 2010, the greatest number of new '); document.write('HIV infections (4,800) among MSM occurred in young black/African '); document.write('American MSM aged 13–24. Young black MSM accounted for 45% of new '); document.write('HIV infections among black MSM and 55% of new HIV infections among '); document.write('young MSM overall.
Since the epidemic began, an estimated 311,087 MSM with an AIDS '); document.write('diagnosis have died, including an estimated 5,380 in 2012.
Figure 1: Estimated New HIV Infections in '); document.write('the United States, 2010, for the Most Affected '); document.write('Subpopulations

Source: CDC. Estimated HIV incidence among ');
document.write('adults and adolescents in the United States, 2007–2010. HIV
');
document.write('Surveillance Supplemental Report 2012;17(4). Subpopulations ');
document.write('representing 2% or less are not reflected in this
');
document.write('chart. Abbreviations: MSM, men who have sex with men; IDU, ');
document.write('injection drug user.
*Subpopulations representing 2% or less '); document.write('are not reflected in this chart. Abbreviations: MSM, men who have '); document.write('sex with men; IDU, injection drug user.
Heterosexuals and injection drug users also '); document.write('continue to be affected by HIV.
Since the epidemic began, almost 92,613 persons with AIDS that '); document.write('were infected through heterosexual sex, have died, including an '); document.write('estimated 4,550 in 2012.
New HIV infections among women are primarily attributed to '); document.write('heterosexual contact (84% in 2010) or injection drug use (16% in '); document.write('2010). Women accounted for 20% of estimated new HIV infections in '); document.write('2010 and 23% of those living with HIV infection in 2011. The 9,500 '); document.write('new infections among women in 2010 reflect a significant 21% '); document.write('decrease from the 12,000 new infections that occurred among this '); document.write('group in 2008.
Injection drug users represented 8% of new HIV infections in '); document.write('2010 and 15% of those living with HIV in 2011.
Since the epidemic began, nearly 186,728 people with (AIDS) who '); document.write('inject drugs have died, including an estimated 3,514 in 2012.
Blacks/African Americans continue to experience '); document.write('the most severe burden of HIV, compared with other races and '); document.write('ethnicities.
Blacks represent approximately 12% of the U.S. population, but '); document.write('accounted for an estimated 44% of new HIV infections in 2010. They '); document.write('also accounted for 41% of people living with HIV infection in '); document.write('2011.
Since the epidemic began, an estimated 270,726 blacks with AIDS '); document.write('have died, including an estimated 6,540 in 2012.
Hispanics/Latinos are also disproportionately '); document.write('affected by HIV.
Hispanics/Latinos represented 16% of the population but '); document.write('accounted for 21% of new HIV infections in 2010. Hispanics/Latinos '); document.write('accounted for 20% of people living with HIV infection in 2011.
Disparities persist in the estimated rate of new HIV infections '); document.write('in Hispanics/Latinos. In 2010, the rate of new HIV infections for '); document.write('Latino males was 2.9 times that for white males, and the rate of '); document.write('new infections for Latinas was 4.2 times that for white '); document.write('females.
Since the epidemic began, more than 100,888 Hispanics/Latinos '); document.write('with an AIDS diagnosis have died, including 2,155 in 2012.
aFor assessing disease risk, the term '); document.write('MSM is often used instead of gay, homosexual, or bisexual because '); document.write('it refers to a risk behavior, rather than an identity that may or '); document.write('may not be tied to a behavior. National Center for HIV/AIDS, Viral '); document.write('Hepatitis, STD, and TB Prevention Division of HIV/AIDS '); document.write('Prevention.