Stay Up to Date with COVID-19 Vaccines – CDC

Children Who Are Not Vaccinated

Children aged 6 months4 years should get two or three doses of updated COVID-19 vaccine depending on which vaccine they receive.

Children aged 6 months4 years who got COVID-19 vaccines before September 12, 2023, should get one or two doses of updated COVID-19 vaccine depending on which vaccine and the number of doses theyve previously received.

People ages 65 years and older should receive 1 additional dose of any updated (20232024 formula) COVID-19 vaccine (i.e., Pfizer-BioNTech, Moderna, or Novavax) at least 4 months following the previous dose of updated (20232024 Formula) COVID-19 vaccine.

People aged 65 years and older who have not previously received any COVID-19 vaccine doses and choose to get Novavax should get 2 doses of updated Novavax vaccine, followed by 1 additional dose of any updated 20232024 COVID-19 vaccine to be up to date.

You areup to datewhen you get 1 age-appropriate updated COVID-19 vaccine.

You areup to date when you get all recommended doses, including at least 1 dose of updated COVID-19 vaccine.

You are up to date when you have received 2 updated 20232024 COVID-19 vaccine doses.

People aged 65 and older who have not previously received any COVID-19 vaccine doses and choose to get Novavax should get 2 doses of updated Novavax vaccine, followed by 1 additional dose of any updated 20232024 COVID-19 vaccine to be up to date.

You are up to date when you get 1 updated COVID-19 vaccine.

COVID-19 vaccines available in the United States are effective at protecting people from getting seriously ill, being hospitalized, and dying. As with other vaccine-preventable diseases, you are best protected from COVID-19 when you stay up to date with the recommended vaccinations.

COVID-19 vaccines currently recommended for use in the United States:

As of October 3, 2023, the 2023-2024 updated Novavax vaccine was recommended by CDC for use in the United States.

As of September 12, 2023,the20232024 updated Pfizer-BioNTech and Moderna COVID-19 vaccines were recommended by CDC for use in the United States.

The 20232024 updated COVID-19 vaccines more closely targets the XBB lineage of the Omicron variantand could restore protection against severe COVID-19 that may have decreased over time. We anticipate the updated vaccines will be better at fighting currently circulating variants.

There is no preferential recommendation for the use of any one COVID-19 vaccine over another when more than one licensed or authorized, recommended, and age-appropriate vaccine is available.

If you recently had COVID-19, you still need to stay up to date with your vaccines, but you may consider delaying your vaccine by 3 months.

Reinfection is less likely in the weeks to months after infection. However, certain factors could be reasons to get a vaccine sooner rather than later, such as:

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Stay Up to Date with COVID-19 Vaccines - CDC