CDC Report: Anaphylaxis after Pfizer-BioNTech COVID-19 vaccine is rare (11.1 cases per million doses)

Allergic Reactions Including Anaphylaxis After Receipt of the First Dose of Pfizer-BioNTech COVID-19 Vaccine — United States, December 14–23, 2020 – CDC Morbidity and Mortality Weekly Report

Commentaries: CDC says severe allergic reactions to coronavirus vaccine are rare – CNN AND CDC reports more allergic reactions to Covid-19 vaccines, but cases remain few – STAT