A third dose of mRNA [Comirnaty (Pfizer) or Moderna] is approved for people 5 and older who have moderately to severe immunocompromised conditions. The third dose should be administered at least 28 days after the second dose. Speak with a pediatrician for more information.

Boosters are only recommended for individuals 12 or older. Those who are age 12 to 17 must receive the Pfizer booster as it is the only booster approved for this age group. Those who are 18 or older may choose to receive the Johnson & Johnson (Janssen), Moderna or Pfizer booster.