XIX International AIDS Conference. Interview with Michel Kazatzhkine who is the United Nations HIV Special Representative for Eastern Europe and Central Asia. Here he talks about harm reduction policies and the situation for people who are using drugs.

XIX International AIDS Conference in Washington. Epidemiologist Christopher Beyrer from Johns Hopkins University talks about exclusion of injecting drug users, men who have sex with men and sex workers - in the global HIV/AIDS response.

Dr Ingrid van Beek from the Sydney Medically Supervised Injecting Centre (MSIC), a program offering HIV testing, counseling, needle-exchange and methadone programs. She talks about the challenges and successes of the Australian AIDS response.

Julie and Ken from the Australian Prostitutes Collective talk about their program for HIV/AIDS prevention among female and male sex workers, among which one third are also IV drug users. APC offers social support, needle exchange and sex education.

Nobel Prize Laureate Luc Montagnier answers questions on the origin of HIV, the spreading of the virus, prevention, and the possibility of a vaccine.