Is it possible to be allergic to the vaccine? ↓
Allergic reactions to COVID-19 vaccines are not common, but can happen. You will be monitored for 15 minutes after you get your COVID-19 vaccine dose by a registered health care professional. If you get a COVID-19 vaccine and you think you might be having a severe allergic reaction after leaving the vaccination site, seek immediate medical care by calling 911. Learn more about COVID-19 vaccines and rare severe allergic reactions here.