Americans as young as 5 can get a COVID-19 vaccine booster after the U.S. Food and Drug Administration (FDA) on May 17 expanded emergency authorization for Pfizer’s shot.
The regulatory agency expanded clearance of a third Pfizer shot to children aged 5 to 11 at least five months after their second dose.
The extra shot is needed because of waning protection from the primary series, which is two doses, Dr. Peter Marks, head of the FDA’s Center for Biologics Evaluation and Research, said in a statement.
The data underpinning the move comes from just 67 children, who are part of Pfizer’s ongoing trial evaluating the vaccine it made with Germany’s BioNTech.
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