He completed his medical training at Harvard Medical School in Boston, MA, an internship and residency in internal medicine at NewYork-Presbyterian Hospital, Columbia University Medical Center in New York, NY, and a fellowship in infectious diseases at the Emory University School of Medicine in Atlanta, GA. He also completed a two-year NIH-funded fellowship in vaccinology through the Emory Vaccine Center. Dr. Phadke has conducted research in the broad area of maternal immunization, focusing specifically on pertussis and influenza. He is a co-investigator on an ongoing clinical trial of maternal pertussis immunization in Guatemala. His research interests are in maternal and childhood vaccines, with a focus on the impact of pregnancy on the immune response to vaccination.