Get Vaccinated and Stay Up to Date
Up to date means a person has received all recommended COVID-19 vaccines, including any booster dose(s) when eligible.
Fully vaccinated means a person has received their primary series of COVID-19 vaccines. COVID-19 Vaccines
COVID-19 vaccines available in the United States are effective at protecting people from getting seriously ill, getting hospitalized, and even dying. As with vaccines for other diseases, people who are up to date are optimally protected. CDC recommends that everyone 5 years and older get their primary series of COVID-19 vaccines, and receive a booster dose when eligible.
When Are You Up to Date?
You are up to date with your COVID-19 vaccines when you have followed the current recommendations listed below. The recommendations will be different depending on your age, your health status, and when you first got vaccinated. Many people who are immunocompromised may need an additional dose as part of their primary vaccine series.
Note that booster shots are not recommended for everyone at this time.
1 If you had a severe allergic reaction after a previous dose or if you have a known (diagnosed) allergy to a COVID-19 vaccine ingredient, you should not get that vaccine. If you have been instructed not to get one type of COVID-19 vaccine, you may still be able to get another type.
2 CDC has updated its recommendations for COVID-19 vaccines with a preference for mRNA (Pfizer-BioNTech or Moderna) vaccines. Learn more about the updated guidance on the use of Janssen (Johnson & Johnson) COVID-19 vaccine.
3 The primary series of these vaccinations includes a third dose for people ages 18 years and older with moderate to severe immunocompromise. This third dose occurs 28 days after the second dose in the primary series.
4 The primary series of this vaccination includes a third dose for people ages 5–17 years with moderate to severe immunocompromise. The third dose occurs 28 days after the second dose in the primary series.
5 You should get your second shot as close to the recommended 3-week or 4-week interval as possible. You should not get the second dose early.