Kate O'Brien

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Executive Director, Professor, International Vaccine Access Center, Johns Hopkins Bloomberg School of Public Health, USA

Kate O'Brien

Kate O’Brien is the Executive Director of the International Vaccine Access Center (IVAC), and Professor of International Health and Epidemiology, at the Johns Hopkins Bloomberg School of Public Health. She leads IVAC’s faculty and staff to generate vaccine evidence, support vaccine policy formulation, and advance vaccine access, coverage and equity.  She collaborates with global and country level organisations including WHO, CDC (Centers for Disease Control and Prevention), country ministries, vaccine manufacturers, academic partners, NGOs and Gavi to advance vaccine impact. Since 2012 she has served on the WHO Strategic Advisory Group of Experts on Immunization (SAGE) committee which formulates global vaccine policy.

Prior to joining IVAC, she served as the Director of Infectious Disease in the Johns Hopkins Center for American Indian Health.  In that role she developed, led and implemented the Center’s strategy for research to prevent infectious diseases causing disproportionate morbidity and mortality among Native Americans.  She undertook large vaccine impact studies and field-based investigational clinical trials, including licensure trials for pneumococcal conjugate vaccine, rotavirus vaccine, and RSV monoclonal antibody. She also served as an Epidemic Intelligence Officer, in the Respiratory Diseases Branch, at the CDC, Atlanta (USA).

Dr O’Brien earned her BSc in Chemistry from the University of Toronto (Canada), her MD (Medicinæ Doctorem) from McGill University, Montreal (Canada), and her Masters of Public Health from Johns Hopkins Bloomberg School of Public Health, Baltimore (USA). She completed her paediatric and infectious disease clinical training at Johns Hopkins Medical Institutions, Baltimore (USA). 


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