International Association of Physicians in AIDS Care
http://www.iapac.org/
International Council of AIDS Service Organizations (ICASO)
http://www.icaso.org/
PANOS AIDS Programme
http://www.oneworld.org/panos/home/homepage.html
UNAIDS - Joint United Nations Programme on HIV/AIDS
http://www.unaids.org
World Bank HIV/AIDS Activities
http://www.worldbank.org/html/extdr/hivaids/default.htm
World Health Organization
http://www.who.ch