XIX International AIDS Conference in Washington D.C. Barton Haynes from the Duke Human Vaccine Institute (DHVI) has been working in the HIV vaccine field since 1985. Here he talks about the scientific difficulties of finding an HIV vaccine.

XIX International AIDS Conference in Washington D.C. Interview with David Celentano from Johns Hopkins University in Baltimore. He talks about a project in Tanzania funded by USAID and working with combination prevention strategies.

XVIII International AIDS Conference in Vienna in 2010. Peter Piot, Seth Berkley, José Esparza, Helene Gayle and Alan Bernstein talk about HIV vaccine development strategies.