Kyeen Mesesan, an M.D./Ph.D. student in the Division of Epidemiology of Microbial Diseases at the School of Public Health, received the Lee B. Lusted Student Prize for best student presentation at the 26th annual meeting of the Society for Medical Decision Making in Atlanta in October. Her abstract, “Predicting the Impact of a Partially Effective HIV Vaccine and Subsequent Risk Behavior Change on the HIV Epidemic in Developing Countries: A South African Example,” was one of six delivered at the opening plenary session.