Some cases of a severe allergic reaction known as anaphylaxis happened in individuals after receiving a COVID-19 vaccine.
While these cases are rare, CDC is monitoring all reports of anaphylaxis and has provided guidance to healthcare providers so they can prepare for the possibility of an allergic reaction after vaccination. Read more about recommendations for people who have a history of severe allergic reactions and safeguards in place: https://bit.ly/3s9kxEs.
