WHO: How often should you get a COVID-19 booster vaccine.
1 year ago
90
Unsure of when and how often to get a COVID-19 booster vaccine?
Dr. Katherine L. O'Brien explains what to consider.
Katherine "Kate" L. O'Brien is a Canadian American pediatric infectious disease physician, epidemiologist, and vaccinologist who specializes in the areas of pneumococcal epidemiology, pneumococcal vaccine trials and impact studies, and surveillance for pneumococcal disease. She is also known as an expert in infectious diseases (including pneumonia and diarrheal diseases) in American Indian populations. O’Brien is currently the Director of the World Health Organization's Department of Immunization, Vaccines and Biologicals.
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