FDA Approves Moderna's New Lower-Dose COVID-19 Vaccine
This Dec. 23, 2020 file photo shows a vial of the Moderna COVID-19 vaccine in the first round of staff vaccinations at a hospital in Denver. (AP Photo/David Zalubowski, File) (Asso…
This Dec. 23, 2020 file photo shows a vial of the Moderna COVID-19 vaccine in the first round of staff vaccinations at a hospital in Denver. (AP Photo/David Zalubowski, File) (Asso…