By Advocate Contributors

Originally published on Advocate.com November 20 2009 5:35 PM ET

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A woman walks past an AIDS awareness billboard in downtown Kuala Lumpur, Malaysia.

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Annie Lennox performs during the 46664 World AIDS Day concert in Johannesburg in honor of former South African president Nelson Mandela.

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A cyclist puts on a number bib on his friend’s jersey before they take part in AIDS Lifecycle, a 27-mile bike ride in San Francisco.

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 A performer does a flag-waving routine during an observance at the National AIDS Memorial in San Francisco.

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Children march with AIDS activists in Abidjan, Ivory Coast, to help sound the alarm over the disease's rampage through Africa.

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Participants comfort each other during services at the National AIDS Memorial in San Francisco.

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A volunteer has decorated her face with a red ribbon for an AIDS awareness event at the National Stadium in Beijing.

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More than 100 motorcyclists at Taipei, Taiwan's Chiang Kai-shek Memorial Hall park their bikes to form a huge red ribbon, the global symbol for solidarity with people who are HIV-positive.

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Hundreds of relatives and friends of people who have fallen to AIDS participate in a torch march in their memory in San Salvador, El Salvador.

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A young girl with a T-shirt reading kiss me shows her painted hands during activities organized to raise HIV awareness and fight against discrimination in Tegucigalpa, Honduras.

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Figures on a mural stand near names of the deceased engraved into a granite panel of The Wall: Las Memorias, an AIDS monument in Los Angeles.

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Members of a religious congregation join a protest to mark World AIDS Day in Manila, Philippines.

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A man joins other Washington, D.C., residents for a candlelight vigil outside the Bethlehem Baptist Church to mark World AIDS Day.

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Ghanian boys with the word AIDS written on their bodies attend an HIV memorial service in Accra.

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A woman walks in front of a poster reading Love is a human right that is part of an HIV awareness campaign in Athens, Greece.