XIX International AIDS Conference. Session "Gender and Science: Shifting the Paradigm in HIV Research" discussing the inclusion of structural and biological gender factors as part of HIV research, and the participation of women living with HIV in clinical trials.

Helene Gayle is an AIDS expert who has been working in many different initiatives in the US, among them the Centers for Disease Control (CDC). She also works in President Obama's advisory group on HIV/AIDS. Here she talks about understanding and changing behaviors.