World AIDS Day
Tuesday, December 1, 2026
World AIDS Day on December 1 is an international day dedicated to raising awareness of the AIDS pandemic caused by the spread of HIV infection, mourning those who have died, and showing support for people living with HIV.
History
World AIDS Day was first observed in 1988 and was the first ever global health day. It has become one of the most recognized international health days, providing an opportunity for people worldwide to unite in the fight against HIV. Remarkable progress has been made with antiretroviral therapy, but millions still lack access to treatment.
How It's Celebrated
People show support by wearing a red ribbon, attending memorial services for those lost to AIDS, participating in fundraising events, getting tested for HIV, and advocating for increased access to prevention and treatment services worldwide.