Activists form a red ribbon, the symbol of the worldwide campaign against AIDS, made from paper tulips as they take part in the campaign and also mark International Volunteers' Day in the city of Rostov-on-Don
© Stringer Russia / Reuters / REUTERS

NBCNews.com   |  April 22, 2014

Looking Back at America’s Struggle Against AIDS

Over 30 years ago, doctors announced the cause of AIDS had been discovered.

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