Allergic reactions to COVID-19 mRNA vaccines are rare and usually mild, according to a study late last week in JAMA Network Open.Stanford University researchers led the study of 22 reported allergic reactions to the first 38,895 doses of the Pfizer/BioNTech and Moderna COVID-19 vaccines given to healthcare workers from Dec 18, 2020, to Jan 26, 2021 (less than six hundredths of a percent).
Of all vaccinations, 80.6% were of the Pfizer vaccine, while 18.7% were of Moderna. The study population was 60% women, 64% White, 2% Black, 20% Asian, 16% younger than 50 years, and 54% aged 70 and older.According to the national Vaccine Adverse Event Reporting System (VAERS), the rate of severe vaccine-related anaphylaxis, or a serious allergic reaction