The Centers for Disease Control and Prevention said in its Morbidity and Mortality Weekly Report that 0.03%, or 1,266, of the more than 4 million people who have received the first dose of Moderna's COVID-19 vaccine experienced adverse events.
Of the recipients with side effects, 108 were identified for further review as severe allergic reactions, including anaphylaxis – a life-threatening allergic reaction that the CDC says can occur after a vaccination, although rarely. It typically occurs within minutes to hours.
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Less Than 1% of People Experienced Side Effects From Moderna Coronavirus Vaccine, CDC Says | Health News | US News
