Recommendations:

Children 6 months – 4 years

  • Never vaccinated → 3 dose Pfizer primary series, 2 dose Moderna primary series
  • Partially vaccinated → Complete primary series above with SAME brand
    • 1 bivalent Moderna → 1 XBB Moderna
    • 1 bivalent Pfizer → 2 XBB Pfizer
    • 2 bivalent Pfizer → 1 XBB Pfizer
    • 2 bivalent Moderna → 1 XBB Moderna
    • 3 bivalent Pfizer → 1 XBB Pfizer
  • Fully vaccinated → Single booster dose of SAME brand

The updated COVID vaccines is notated as XBB based on the main strain of the virus that it is covering.

Patients 5 years and older

  • Regardless of prior vaccination status → Single mRNA vaccine dose
  • Does not need to be the same brand as primary series or previous booster dose

Intervals

  • Must be 2 months since last dose
  • May wait up to 3 months from previous infection

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