FDA authorizes and the CDC recommends for children ages 6 months–4 years who previously completed a 3-dose monovalent Pfizer COVID-19 vaccine primary series to receive 1 bivalent Pfizer booster dose at least 2 months after completion of the monovalent primary series.
Eligibility:
- For those 6 months - 4 years that have received three doses of the Pfizer monovalent COVID-19 vaccine prior to the authorization of the Pfizer bivalent COVID-19 vaccine for this age group.
Please note, those 6 months - 4 years who completed their primary series with two monovalent Pfizer COVID-19 vaccines and one bivalent Pfizer vaccine are not eligible for a booster dose of a bivalent vaccine.
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