The study used three sources of information to track HIV/AIDS financing in 1996 and 1997. First, 15 official development assistance (ODA) agencies reported on their financing of HIV/AIDS activities. Second, 64 developing countries and countries in transition provided information on the funds they spent on HIV/AIDS programmes. Third, data were gathered from the European Commission (EC), the UNAIDS Secretariat, UNICEF, UNDP, UNFPA, UNESCO, WHO and the World Bank through reviews of agency records, financial reports and interviews.