SAN FRANCISCO, Calif. (KRON) – Centers for Disease Control and Prevention has released data on allergic reactions to COVID-19 vaccines.
Anaphylaxis is a severe, life-threatening allergic reaction that occurs in some people after receiving the first dose of both Moderna and Pfizer COVID-19 vaccines.
The CDC says an allergic reaction is rare after vaccination.
Twenty-one cases of anaphylaxis were detected from 14 December to 23 December 2020 by the vaccine adverse event reporting system of 1,893,360 new doses of Pfizer vaccine – 11.1 cases per million doses.
And 71% of cases occurred within 15 minutes of receiving the vaccine.
For the Moderna vaccine, the same system found 1
Nine of the 10 cases occurred within 15 minutes of receiving the vaccine.
Fortunately, no anaphylaxis-related deaths have been reported.