Relatives participate in a march to commemorate World AIDS Day in San Salvador on December 1, 2011. Children watch performers dance to a popular Bollywood number during a skit on HIV-AIDS awareness on World AIDS Day in the city's red light district of Kamathipura in Mumbai on December 1, 2011. The Indian government estimates that somes 2.5 million Indians are living with HIV. Tens of thousands of HIV-affected households in Asia are facing 'irreversible poverty' because of the cost of living with the disease, with women and children hardest hit, a UN report said. In countries like India, Indonesia and Vietnam, HIV-affected families spend up to three times more on healthcare costs than the average, according to the report, which examined some 17,000 households across Asia. Activists participate in a march to commemorate World AIDS Day in San Salvador. Cadets of the National Police Academy march with torches to commemorate World AIDS Day in San Salvador on December 1, 2011. Relatives of victims of HIV/AIDS attend a vigil in Guatemala City to mark World AIDS Day. A man lights candles at the National AIDS Memorial Grove on December 1, 2011 in San Francisco. A Nicaraguan activist explains the use of condoms to prevent infection by HIV/AIDS after a march for the World AIDS Day, in Managua. Matthew Rushing (right) and the Alvin Ailey American Dance Theater during dress rehearsal for the world premiere of Home by Rennie Harris December 1, 2011 in New York. The work, inspired by people living with HIV, premiered on December 1, World AIDS Day and the day company founder Alvin Ailey died from the disease in 1989. People participate in a demonstration in Paris on December 1, 2011 during World AIDS Day. According to UN figures, about 34 million people in the world were infected with HIV/AIDS in 2010 and 1.8 million people died, down from a peak of 2.2 million in 2005. Banner reads : 'Trans against AIDS.' Tourists observe a banner hung on the obelisk with the inscription 'No more kids with HIV', while acrobats perform in the monument, during the commemoration of World AIDS Day, at the Plaza de la Republica, in downtown Buenos Aires on December 1, 2011. A Kosovo Albanian man wearing a costume decorated with condoms, poses at the Mother Teresa Square on December 1, 2011, in Pristina as citizens gathered to mark World AIDS Day. A man dressed in drag joins marchers mourning the victims of AIDS on November 30, 2011 in Berlin, Germany. Several hundred people, mostly members of the city's gay community, participated in the march one day ahead of World AIDS Day.