US FDA Tags Moderna COVID-19 Vaccine With Higher Myocarditis Risk Than Pfizer/BioNTech
Executive Summary
In expanding authorization of booster doses for both mRNA vaccines, the agency updated Moderna’s fact sheet to state the vaccine appears to pose a higher risk of myocarditis/pericarditis in males under age 40 years after the second dose, although data are ‘not yet dispositive.’
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