aids AIDS health awareness day day World AIDS Day https://en.wikipedia.org/wiki/World_AIDS_Day https://www.wikidata.org/wiki/Q192373 An international day dedicated to raising awareness of the AIDS pandemic caused by the spread of HIV infection and mourning those who have died of the disease. Government and health officials, non-governmental organizations, and individuals around the world observe the day, often with education on AIDS prevention and control. December 1 Cassell's Queer Companion: A Dictionary of Lesbian and Gay Life and Culture