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.
In Pictures: World's Aids Day 2016

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School girls light candles in the shape of a ribbon during a HIV/AIDS awareness campaign ahead of World Aids Day, in Ahmedabad, India, Nov. 30, 2016.

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Activists prepare to release campaign materials into the air ahead of World AIDS Day on the banks of the Ganges River in Kolkata, India, Nov. 30, 2016.

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A people pass a giant condom that promotes safer sex on a pedestrian street in Cologne, Germany prior the World AIDS Day, Nov. 30, 2016.

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South Korean students make a formation in the shape of the red ribbon, the universal symbol of awareness and support for those living with HIV, as they release balloons during an event to mark the upcoming World AIDS Day in Seoul, Dec. 1, 2016.