In episode 44 of MicrobeWorld Video filmed at the American Association for the Advancement of Science Meeting in Washington, D.C., Dr. Stan Maloy talks with Beatrice Hahn, Professor of Medicine and Microbiology at the University of Alabama at Birmingham, about her work on the origins of HIV and Malaria, and how these diseases may have spread to humans.Don't miss an episode of MicrobeWorld Video. Subscribe for free using iTunes or help support our work by purchasing the MicrobeWorld podcast application for iPhone and Android devices in the iTunes or Android app stores.