What The Study Did: In this study of nearly 53,000 health care employees, a self-reported history of high-risk allergy was associated with an increased risk of allergic reactions within three days of mRNA COVID-19 vaccination, but nearly all individuals, regardless of allergy history, were safely vaccinated.
Authors: Kimberly G. Blumenthal, M.D., M.Sc., of Massachusetts General Hospital in Boston, is the corresponding author.
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