A woman walks past an AIDS awareness billboard in downtown Kuala Lumpur, Malaysia.
Annie Lennox performs during the 46664 World AIDS Day concert in Johannesburg in honor of former South African president Nelson Mandela.
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.
A performer does a flag-waving routine during an observance at the National AIDS Memorial in San Francisco.
Children march with AIDS activists in Abidjan, Ivory Coast, to help sound the alarm over the disease's rampage through Africa.
Participants comfort each other during services at the National AIDS Memorial in San Francisco.
A volunteer has decorated her face with a red ribbon for an AIDS awareness event at the National Stadium in Beijing.
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.
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.
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.
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.
Members of a religious congregation join a protest to mark World AIDS Day in Manila, Philippines.
A man joins other Washington, D.C., residents for a candlelight vigil outside the Bethlehem Baptist Church to mark World AIDS Day.
Ghanian boys with the word AIDS written on their bodies attend an HIV memorial service in Accra.
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.
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