HIV/AIDS in the United States

CDC Infographics
Rates of HIV/AIDS diagnoses in the United States, 2017
New HIV infections by race and transmission group in the U.S., 2010–2016
HIV diagnosis trends in the U.S. and dependent areas, 2012–2016
Estimated number of HIV/AIDS cases in the U.S. in 2007, by transmission category

The AIDS epidemic, caused by the emergence and spread of the human immunodeficiency virus (HIV), developed in the United States between the 1970s and 1980s. It was first noticed after doctors discovered clusters of Kaposi's sarcoma and pneumocystis pneumonia in homosexual men in Los Angeles, New York City, and San Francisco in 1981. Treatment of HIV/AIDS is primarily via the use of multiple antiretroviral drugs, and education programs to help people avoid infection. Initially, infected foreign nationals were turned back at the United States border to help prevent additional infections.

The number of United States deaths from AIDS has declined sharply since the early years of the disease's presentation domestically. According to 2023 data, there was a 12% decrease in the amount of new HIV infections than there was in 2018.

In the United States in 2016, 1.1 million people aged over 13 lived with an HIV infection, of whom 14% were unaware of their infection. African Americans, Hispanic/Latino Americans, homosexual and bisexual men, and intravenous drug users remain the most disproportionately affected populations in the United States.

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