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COVID Vaccines For 5 and Under: Pfizer Pivot To 3 Shots Leaves Meager Data Package Compared To Moderna

Executive Summary

Pfizer’s decision to add a third shot to the primary vaccination series for children under five means it didn’t hit FDA’s goal of a median follow-up of two months post-vaccination – at least with blinded data – and the sponsor could only do a preliminary descriptive efficacy analysis since the study had not hit the protocol-specified number of COVID cases.

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