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.

Katharina Lindahl, Secretary General of RFSU, talks about the Swedish HIV prevention campaigns by RFSU and Aidsdelegationen in the early 1990's, and the importance of targeting youth of today with messages of HIV prevention.

David Klatzmann is a french immunologist who has been working in an AIDS group in France since 1981. He talks about the discoveries that CD4-antigens function as receptors for the HIV virus and explains the structure of this relationship in detail.