World AIDS Day — December 1, 2016

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World AIDS Day, observed on December 1, draws attention to the status of the human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS) epidemic worldwide.

The first cases of AIDS in the United States were reported more than 35 years ago in the June 5, 1981 issue of MMWR. Today, approximately 36.7 million persons worldwide are living with HIV infection, including approximately 2.1 million persons who were newly infected during 2015 (1). Although AIDS-related deaths have declined by 45% since 2005, an estimated 1.1 million persons died from AIDS in 2015 (1), with tuberculosis contributing to an estimated 400,000 of these deaths (2).

Global efforts, including the U.S. President’s Emergency Plan for AIDS Relief, in which CDC is a key implementing agency, have resulted in 18.2 million persons worldwide receiving antiretroviral therapy for HIV infection by June 2016, an increase from 7.5 million in 2010 (1).

In the United States, an estimated 44,000 persons received a diagnosis of HIV infection in 2014 (3). In 2013, an estimated 1.2 million persons in the United States were living with HIV, 87% of whom were aware of their infection (4).


  1. Joint United Nations Programme on HIV/AIDS. Get on the fast-track: the life-cycle approach to HIV, 2016. Geneva, Switzerland: Joint United Nations Programme on HIV/AIDS; 2016.
  2. World Health Organization. Tuberculosis fact sheet. No. 104. Geneva, Switzerland: World Health Organization; 2016.
  3. CDC. Diagnoses of HIV infection in the United States and dependent areas, 2014. HIV surveillance report 2014:26.
  4. CDC. Monitoring selected national HIV prevention and care objectives by using HIV surveillance data—United States and 6 dependent areas, 2014. HIV surveillance supplemental report 2016:21(4).

Suggested citation for this article: World AIDS Day — December 1, 2016. MMWR Morb Mortal Wkly Rep 2016;65:1285. DOI:

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