The Carl Nathan, M.D. Lectureship was created to recognize Dr. Carl Nathan’s extraordinary accomplishments and unwavering dedication to the Department of Microbiology and Immunology over the past 27 years. We are excited to welcome you to May's lecture, delivered by Beatrice Hahn, M.D. entitled "HIV Origins and the Path to an AIDS Vaccine".

Dr. Beatrice Hahn is a Professor of Medicine and Professor of Microbiology at the Perelman School of Medicine, University of Pennsylvania.

We are grateful to our generous donors for their support.