Allergic Reactions to COVID Vaccines Are Rare, Resolved on Site: CDC
Cases of anaphylactic shock caused by COVID-19 vaccines are very rare, based on numbers from the first week and a half of vaccinations in the United States, federal public health officials said Wednesday.
There have been 21 cases of anaphylaxis out of nearly 1.9 million doses of the Pfizer-BioNTech vaccine administered in the very first days of the national COVID-19 vaccination program, said Dr. Nancy Messonnier, director of the National Center for Immunization and Respiratory Diseases at the U.S. Centers for Disease Control and Prevention.
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