Social activists observe World AIDS Day by flying decorative gas balloons carrying messages regarding eradication of stigma and discrimination on HIV/AIDS on December 1, in Calcutta, India.
Courtney Burrell is seen during the AIDS Healthcare Foundation 2015 World AIDS Day Commemoration at Arclight Hollywood Theater in Los Angeles December 1, 2015, to mark having over 500,000 patients in care around the world. (Carlos Delgado/AP Images for AIDS Healthcare Foundation)
In the midst of the season of light, we pause to remember, to revive, and to recommit in ceremonies around the world.
Tuesday was World AIDS Day, reminding us that the epidemic is not over — there are an estimated 36.9 million people living with HIV globally. And while treatment and prevention methods have improved greatly in recent years, they are not accessible to all. Moreover, many people who have the virus are not aware of this fact, according to public health experts.
Pictured: A man lays flowers at the memorial monument to those who have died of AIDS to mark World AIDS Day Tuesday in Kiev, Ukraine. The poster reads, "Do you want to be healthy? Take the test."
Click through for more pictures from World AIDS Day observances.
Miley Cyrus attends "It Always Seems Impossible Until It Is Done: A Night of Music with ONE and (RED)", in celebration of World AIDS Day, at Carnegie Hall in New York. (Photo by Greg Allen/Invision/AP)
Nepalese women and children from Maiti Nepal, a rehabilitation center for victims of sex trafficking, light candles on the eve of World AIDS Day in Kathmandu Monday.
Amber Rose is seen during the AIDS Healthcare Foundation (AHF) 2015 World AIDS Day Commemoration at Arclight Hollywood Theater in Los Angeles to celebrate having over 500,000 patients in care around the world. (Carlos Delgado/AP Images for AIDS Healthcare Foundation)
A couple pass by the red ribbon, the international symbol for AIDS awareness, part of a campaign to mark World AIDS Day, Tuesday in Seoul, South Korea. The text reads, "A campaign for the prevention of AIDS."
The red ribbon is highlighted on the skyscrapers of Arbat Street during a campaign to mark World AIDS Day in Moscow Tuesday. While the rate of HIV infection is declining globally, the number of new infections in Russia continues to rise.
Members of the American Indian Community House perform during an event on World AIDS Day at the Apollo Theater in New York Tuesday. New York State will dedicate $200 million more to its $2.5 billion effort to end the AIDS epidemic by 2020. It is already reporting significant milestones: No new cases of mother-to-child transmission were reported in the past year, the first time that's happened since the epidemic began.
Trevor Noah speaks at "It Always Seems Impossible Until It Is Done: A Night of Music with ONE and (RED)", in celebration of World AIDS Day, at Carnegie Hall on Dec. 1, 2015, in New York.
Sister Lida Christ of the Boston Sisters of Perpetual Indulgence joins fourth- and fifth-graders from the Harvey Milk Civil Rights Academy to write names of those who have died of AIDS complications in chalk on the sidewalks of Castro Street Tuesday in San Francisco. The event was called Inscribe on World AIDS Day.
Participants in the youth division of the Hungarian Red Cross hold up a huge version of the iconic red ribbon as they mark World AIDS Day in a shopping mall of Budapest.
A couple are photographed as they stand among 2,000 candles that were lit in Copenhagen to mark World AIDS Day.
(RED) CEO Deb Dugan participates in AOL's BUILD Speaker Series to discuss World AIDS Day at AOL Studios in New York.
Jessie J performs at "It Always Seems Impossible Until It Is Done: A Night of Music with ONE and (RED)", in celebration of World AIDS Day, at Carnegie Hall on Tuesday, Dec. 1, 2015, in New York.
A volunteer wearing a costume featuring a condom for AIDS awareness takes part in an observance of World AIDS Day in Seoul, South Korea.
Middle-school students make a formation with umbrellas in the shape of the red ribbon before a campaign to mark World AIDS Day in Seoul, South Korea.
Indonesian medical students light candles during a vigil commemorating World AIDS Day in Surabaya, East Java.
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