Xiaoyan Song, Ph.D., M.B.B.S, M.Sc., is the Director of the Infection Control/Epidemiology at Children's National and an Investigator in the Children's Research Institute. As hospital epidemiologist, Dr. Song directs the epidemiologist infection control program at Children's National. This program is involved in surveillance, prevention and control of infection. Dr. Song is also an Associate Professor of Pediatrics at the George Washington University School of Medicine and Health Sciences.