
A health worker administers a dose of a Moderna COVID-19 vaccine during a vaccination clinic at the Norristown Public Health Center in Norristown, Pa., Tuesday, Dec. 7, 2021. Moderna says its COVID-19 vaccine works in babies, toddlers and preschoolers. The company announced early findings from a study of children younger than 6 on Wednesday, March 23, 2022. (AP Photo/Matt Rourke, File)
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