XIX International AIDS Conference. Sharon Lewin from Monash University in Melbourne discusses the possibilities of ending AIDS and scientific breakthroughs during the 30 years of the epidemic, for instance the discovery that some people are resistant to HIV.

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.