In this file photo, a vial of the Phase 3 Novavax coronavirus vaccine prepared for use in a trial at St. George's University hospital in London, Oct. 7, 2020. The Food and Drug Administration authorized the COVID-19 vaccine from Novavax for emergency use on Wednesday, July 13, 2022, providing the U.S. with a fourth option. (AP Photo/Alastair Grant) **FILE**
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