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Mix and Match COVID Boosters: Time Crunch For Data Review May Mean No Advisory Committee Vote

Executive Summary

US FDA can’t say whether it will have its vaccine advisors vote on the heterologous uses of booster doses at its 14-15 October meeting of the Vaccines and Related Biological Products Advisory Committee because it is still reviewing the data. The Agency does not appear to need a formal company application or emergency use authorization amendment to allow this type of boosting.

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