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.

Quarraisha Abdool Karim is an epidemiologist in Durban. She talks about the start of the South African AIDS epidemic and the South African AIDS response, health policies and campaigns. She explains why women are more susceptible to HIV than men are.