FDA panel endorses lower-dose Moderna COVID shot for booster

  • FILE - This Wednesday, 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. On Thursday, Oct. 14, 2021, U.S. health advisers said that some Americans who received Moderna’s COVID-19 vaccine should get a half-dose booster to bolster protection against the virus. (AP Photo/David Zalubowski, File)

U.S. health advisers said Thursday that some Americans who received Moderna’s COVID-19 vaccine at least six months ago should get a half-dose booster to rev up protection against the coronavirus.

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