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Moderna announces step toward updating COVID shots for fall

FILE - A nursing student administers a Moderna COVID-19 vaccine at a vaccination center at UNLV, in Las Vegas on April 26, 2021. Moderna hopes to offer updated COVID-19 boosters in the fall that combine its original vaccine with protection against the omicron variant. On Tuesday, April 19, 2022, it reported a preliminary hint that such an approach might work. (AP Photo/John Locher, File) FILE - Syringes and a vial of the Moderna COVID-19 vaccine are displayed at a mass COVID-19 vaccination site in Batavia, Ill., on March 19, 2021. Moderna hopes to offer updated COVID-19 boosters in the fall that combine its original vaccine with protection against the omicron variant. On Tuesday, April 19, 2022, it reported a preliminary hint that such an approach might work. (Rick West/Daily Herald via AP, File)