NOTE: Many CDC publications are available to download, view online, or order at no cost.
Visit the CDC website first for the most up-to-date information, including frequently asked questions (FAQs) about COVID-19 vaccination.
Where can I get the vaccine?
- Visit the Vaccines.gov website.
- Text your zip code to 438829 (English), 822862 (Spanish).
- Call 1-800-232-0233 (TTY: 888-720-7489).
Where can I learn about additional doses of COVID-19 vaccine and COVID-19 booster shots?
CDC recommends that people with moderately to severely compromised immune systems receive an additional dose of mRNA COVID-19 vaccine at least 28 days (four weeks) after a second dose of Pfizer-BioNTech COVID-19 vaccine or Moderna COVID-19 vaccine. Learn more about additional doses .
A “booster dose" refers to another dose of a vaccine that is given to someone who built enough protection after vaccination, but then that protection decreased over time (this is called waning immunity). HHS has developed a plan to begin offering COVID-19 booster shots to people this fall. Implementation of the plan is subject to FDA’s authorization and ACIP’s recommendation. Learn more about booster shots .
How do I report adverse events after receiving or administering the vaccine?
If you think you or someone in your care is:
- Experiencing a medical emergency, call 9-1-1 and go to the nearest hospital emergency room right away.
- Having an adverse event following vaccination, but it is not an emergency, contact a healthcare provider for medical advice.
What if I lost my vaccination card or don’t have a copy?
Contact your vaccination provider directly to access your vaccination record. Learn more about what you can do if you do not have a COVID-19 vaccination record card.
CDC does not see patients, diagnose illness, provide treatment, prescribe medication, or refer to specialists. For emergencies, see your healthcare provider or go to an emergency room. If you are a healthcare provider, contact your state epidemiologist or local health department.
- Page last reviewed: February 23, 2016
- Page last updated: February 23, 2016
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