XVII International AIDS Conference in Mexico City. Ending of a panel session on the vaccine trials of the International AIDS Vaccine Initiative (IAVI). Seth Berkley, Alan Bernstein and Omu Anzala respond to questions from the audience.

XVI International AIDS Conference in Toronto. Panel discussion on women and AIDS with Melinda Gates, Businesswoman Sheila Johnson, UN Special Envoy Nafis Sadik, and the South African AIDS activist Musa Njoko. Chair of the session is the Journalist Judy Woodruff.