Closing session of the XIX International AIDS Conference with speakers such as Bill Clinton, the two co-chairs of the conference Elly Katabira and Diane Havlir, US politician Nancy Pelosi, Françoise Barré-Sinoussi, and many activists and community leaders.

Dr George Galasso is working on HIV vaccines at NIAID. Here he talks about the scientific challenges of HIV/AIDS and the chances of developing a vaccine. He believes that one of the main focuses in HIV/AIDS research still is to find treatment for opportunistic infections.