Dr. Larson currently serves as Professor at the London School of Hygiene & Tropical Medicine, where she leads the Vaccine Confidence Project, conducting research and mapping issues around public trust in vaccines globally. She previously headed Global Communication for Immunization at UNICEF and chaired the Advocacy Task Force for Gavi. Her research specializes in the analysis and evaluation of health and development programs with particular attention to social and political factors that can affect policies and programs. Her particular focus is on risk and rumor management in health programs and technologies, especially vaccines – from clinical trials to delivery – and building public trust.