Cardiac outcomes following SARS-CoV-2 infection versus BNT162b2 vaccination in adolescents and young adults: a cohort study of 4 million individuals.
BACKGROUND Concerns about myocarditis and mortality after COVID-19 vaccination in pediatrics persist despite limited direct comparisons with SARS-CoV-2 infection risks. We compared risks of myocarditis, pericarditis, and mortality between infection and BNT162b2 vaccination in adolescents and young adults. METHODS Thi...