Sten Vermund from University of Alabama reflects on the history of the global AIDS epidemic and his involvement in the field as a young scientist in the 80's. He discusses the social and economic factors of HIV/AIDS, such as stigma, poverty and the drug industry.

José Esparza is a scientist who has been working many years at WHO and within UNAIDS. He has been known for his work on HIV vaccines. Here he talks about vaccine trials and the future development of vaccines for developing and developed countries.