HIV Timeline

HIV Incidence and Prevalence in US

HIV Timeline


1981: For the first time in the United States, AIDS is detected in California and New York

1982: US CDC formally establishes the term Acquired Immune Deficiency Syndrome (AIDS)

1983: Three thousand AIDS cases have been reported in the USA, one thousand have died

1984: Scientists identify HIV (initially called HTLV-III or LAV) as the cause of AIDS.

1988: World AIDS Day first declared by World Health Organization (WHO) on December 1

1989: First guidelines for the prevention of Pneumocystis carinii pneumonia(PCP), an AIDS related opportunistic infection and major cause of morbidity and mortality for people with HIV, are issued by US CDC.


1991: The “red ribbon” becomes a universal symbol of the AIDS epidemic.

1995: First protease inhibitor, saquinavir, approved by US FDA which is the beginning of the highly active antiretroviral therapy (HAART)

1997: AIDS-related deaths in the U.S. decline by more than 40% compared to the prior year, largely due to HAART. About 22 million people living worldwide with HIV.


2004: US government launches a program known as PEPFAR that has committed $30 billion to combat AIDS worldwide since 2004

2007: In the US more than 576,000 people have died since the AIDS epidemic began.

2010: From the beginning of the AIDS epidemic it is estimated that 30 million people world wide have died from AIDS related illnesses.