Dr Robert Gallo is interviewed in the laboratory about the HIV virus and his ongoing work. He also talks with his team and discusses the question of international collaboration with Lars Olof Kallings. He answers questions about HIV and AIDS, drugs and promiscuity.

Jonathan Mann, was a US medical doctor and influential within the World Health Organization (WHO). Here he talks about the global understanding of the disease between 1981 and 1988.

Nobel Prize Laureate Luc Montagnier answers questions on the origin of HIV, the spreading of the virus, prevention, and the possibility of a vaccine.