COVID-19 Vaccine Boosters | CDC – Centers for Disease Control and Prevention (.gov)

1st Booster:

CDC recommends a booster of either Pfizer-BioNTech or Moderna COVID-19 vaccine for: [ 1 ]

  • Most people, at least 2 months after the primary dose of J&J/Janssen COVID-19 vaccine
  • People who are moderately or severely immunocompromised, at least 2 months after the additional dose of Pfizer-BioNTech or Moderna COVID-19 vaccine

2nd Booster:

CDC recommends a 2nd booster of either Pfizer-BioNTech or Moderna COVID-19 vaccine at least 4 months after the 1st booster for:

  • Adults ages 50 years and older
  • People who are moderately or severely immunocompromised

Up to Date: Immediately after getting all boosters recommended for you  [ 2 ]

People ages 18 through 49 years who got a J&J/Janssen COVID-19 vaccine for both their primary dose and booster can choose to get a 2nd booster of either Pfizer-BioNTech or Moderna COVID-19 vaccine at least 4 months after their 1st booster. The 2nd booster is not required to be considered up to date for people ages 18 through 49 years who got a J&J/Janssen COVID-19 vaccine for both their primary dose and 1st booster.

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