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CDC: Allergic Reactions Including Anaphylaxis After Receipt of the First Dose of Pfizer-BioNTech #coronavirus Vaccine

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“During December 14–23, 2020, monitoring by the Vaccine Adverse Event Reporting System detected 21 cases of anaphylaxis after administration of a reported 1,893,360 first doses of the Pfizer-BioNTech COVID-19 vaccine (11.1 cases per million doses); 71% of these occurred within 15 minutes of vaccination.”

CDC report

 

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