XIX International AIDS Conference in Washington D.C. Dr. Gottfried Hirnschall, Director of the Department of HIV and Global Hepatitis Programme of WHO, speaks at the plenary session Expanding HIV Testing and Treatment Globally.

Annual HIV research conference arranged by IHV. Dr Robert Gallo holds a lecture on the history of medical research on human retroviruses. He also talks about the early discoveries of t-cell leukemia in Japanese patients, which led to the discovery of HTLV-1.