What adverse reactions were reported for the vaccine?

There is a remote chance that the vaccine could cause a treatable but severe allergic reaction called anaphylaxis. This was not observed during the clinical trials, but has been observed very rarely following the first doses of Pfizer (11 per million) and Moderna (2.5 per million). This is similar to the rate of anaphylaxis for other vaccines. Anaphylaxis usually occurs within 30 minutes after getting a dose of the vaccine and most persons with anaphylaxis have a prior history of allergies or allergic reactions, including some with previous anaphylaxis events;

  • difficulty breathing
  • swelling of your face and throat
  • a fast heartbeat
  • itching
  • hives
  • dizziness and weakness.

Prior allergy or anaphylaxis is not a reason to avoid vaccination, though. Only allergy to the COVID vaccines themselves or their ingredients are a reason to not get vaccinated. Vaccination sites are prepared to handle this reaction and observe patients for an appropriate period of time before releasing them. If you have a history of anaphylaxis and are concerned about getting the COVID vaccine, discuss this concern with your health care provider.

If you have a severe allergic reaction, and are not still at the vaccine clinic, seek medical attention or call 911 immediately. The CDC has also created V-safe, a platform for people to share information on their side effects and reactions. All vaccine recipients are encouraged to sign up for this system to provide additional information about the vaccine’s side effects as vaccination is implemented. Learn more at www.cdc.gov/vsafe.

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1. How effective is the COVID-19 vaccine?
2. Is the vaccine safe?
3. What are the side effects from the vaccine?
4. What adverse reactions were reported for the vaccine?
5. Will the vaccine give me COVID?
6. How many doses do I need?
7. How do I know if a message or email offering vaccination options is legitimate?
8. When will I get vaccinated?
9. Who should get the vaccine?
10. If I had COVID, should I still get vaccinated?
11. Do I get to choose which vaccine I get?
12. Once I get the vaccine, can I stop wearing a mask?
13. How soon can we get back to pre-pandemic activities?
14. How does the vaccine work?
15. Does the vaccine change my DNA or implant a chip?
16. What is in the vaccine?
17. Where do I find accurate info about the COVID vaccine?
18. Where can I get my COVID-19 Vaccine Record?