XVII International AIDS Conference in Mexico City. Interview with the President of the International AIDS Society (IAS) and Co-chair of this year's conference, Pedro Cahn. He talks about the diversity of these conferences and reflects on the development over time.

M.D. Mervyn Silverman is one of the pioneers in the HIV/AIDS epidemic. Here he talks about the shifts of topics on the International AIDS Conferences between 1985 and 2008, about the so called San Francisco Model of AIDS care, and about the closing of the Bathhouses.