authorized its use on December 11, 2020.There were 21 confirmed cases of anaphylaxis among reports to the Vaccine Adverse Event Reporting System (VAERS) between December 14 and 23, 2020.
Stay informed with live updates on the current COVID-19 outbreak and visit our coronavirus hub for more advice on prevention and treatment.Over the same period, about 1,893,360 people in the U.S.
received their first dose of this vaccine. This equates to 11.1 cases of anaphylaxis for every million doses. Out of the 21 people who experienced anaphylaxis, four were hospitalized, with three needing intensive care.