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Pfizer Covid Shot Works, Safe for Youngest Kids, FDA Says

The Pfizer shot is already authorized for kids ages 5 and older.

The Pfizer shot is already authorized for kids ages 5 and older.

Photographer: Hannah Beier/Bloomberg

US Food and Drug Administration staff said that Pfizer Inc.’s Covid shot was effective for kids ages 4 and under with no new safety concerns, in a report released ahead of a key meeting of FDA advisers later this week.

The advisers will meet starting Tuesday for two days to discuss mRNA vaccines in kids. Pfizer’s application for clearance in young kids from 6 months through 4 years will be discussed on Wednesday, in conjunction with Moderna’s application to have its shot cleared for kids ages 6 months through 5 years.