https://www.contagionlive.com/view/three-doses-of-pfizer-biontech-covid-19-vaccine-efficacious-in-young-children
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2/21/23 at 8:50pm
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Contagionlive.com
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John Parkinson
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Administered during the Omicron-dominant phase, the vaccine's efficacy was 73.2% in individuals 6 months to 4 years of age.
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