The Centers for Disease Control and Prevention has only recommended booster doses for people 12 and older. Those who are younger than age of 12 cannot receive a booster dose at this time.

Moderately to severely immunocompromised individuals age 5 to 11 years old should receive a third (additional) dose. The Centers for Disease Control and Prevention (CDC) recommends moderately to severely immunocompromised people receive a third dose of the same mRNA COVID-19 vaccine (Pfizer-BioNTech or Moderna) at least 28 days after the second dose.