U.S. FDA to use existing Omicron booster data to review shots targeting new subvariants -official

Published by
Reuters

By Michael Erman NEW YORK (Reuters) -U.S. health regulators will not require companies to submit new clinical trial data on COVID-19 vaccines that target the now dominant BA.4 and BA.5 Omicron subvariants to authorize those shots, but will instead rely on studies showing the efficacy of targeting the earlier BA.1 subvariant, a top official said on Thursday. Dr. Peter Marks, a senior official overseeing vaccines at the U.S. Food and Drug Administration, told Reuters the agency would also consider manufacturing data specific to a BA.4 and BA.5 vaccine, and that preclinical data from animal studi…

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