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National News

Moderna Argues FDA Should Authorize Half-Dose of Vaccine as Booster

FILE — A vial of the COVID-19 vaccine in New York on June 23, 2021. In documents released Tuesday morning, Oct. 12, 2021, Moderna argued that the Food and Drug Administration should authorize a half-dose of its coronavirus vaccine as a booster shot for recipients at least six months after the second dose, citing evidence that the vaccine’s potency against infection wanes over time. (Bess Adler/The New York Times)