Nine of the 10 cases occurred in individuals with documented history of allergies, allergic reactions
Allergists Affirm Safety of COVID-19 Vaccines for Most
All patients should be observed for 15 minutes after vaccination; staff should be trained in anaphylaxis management
11.1 Anaphylaxis Cases/Million Doses of Pfizer-BioNTech COVID-19 Vaccine Reported
Median interval from vaccine receipt to symptom onset was 13 minutes
ACAAI: Reaction to COVID-19 Vaccine Unlikely for Those With Common Allergies
Pfizer COVID-19 vaccine should not be administered to individuals with a known history of severe reaction to polyethylene glycol