Praphan Phanupak is Professor in Immunology and the Director of the Thai Red Cross AIDS Research Centre (TRC-ARC). He talks about the incidence and prevalence of HIV infection in different parts of Thailand and about human experiments on Thai drug users.

Robin Weiss, a British Molecular Biologist and Professor of Viral Oncology at University College London, talks about the scientific contribution of small countries like Sweden, interdisciplinary collaborations in HIV research and HIV vaccines.