Activists the world over put a spotlight on the AIDS virus on this day. They encourage testing and distribute leaflets with information on HIV, the virus that causes AIDS, including how it spreads and how to keep from getting it.
Health workers take part in a HIV awareness walk to mark the World AIDS Day in Colombo, Sri Lanka, Dec. 1, 2016.
An HIV-positive Filipino lights candles around an AIDS symbol as he participates in an event in observance of World AIDS Day in Quezon city, Philippines, Dec. 1, 2016.
Pakistani transponders light candles during a demonstration called by civil society group to mark World AIDS Day in Karachi, Dec. 1, 2016.
A man takes free condoms in central Kyiv, Ukraine, Dec. 1, 2016. Volunteers of non-governmental organizations distributed condoms to mark 'World AIDS Day.'