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.

XVII International AIDS Conference in Mexico City. Interview with three pioneers in the HIV/AIDS response - Dr Mervyn Silverman, Dr Paul Volberding, and Dr Lars Olof Kallings. They talk about the history of the AIDS movement.