The move by the Food and Drug Administration is in the hope that the modified boosters will blunt yet another winter surge.
The Associated PressThis file photo shows vials of the original Pfizer and Moderna COVID-19 vaccines.The U.S. on Wednesday authorized its first update to COVID-19 vaccines; booster doses that target today's most common Omicron strain. Shots could begin within days.
A Health Canada spokesperson said Aug. 22 that a decision on Moderna's bivalent vaccine is expected within the next two weeks.Until now, COVID-19 vaccines have targeted the original coronavirus strain, even as wildly different mutants emerged. Doses made by Pfizer and its partner BioNTech are for anyone 12 and older while Moderna's updated shots are for adults, if it has been at least two months since their last primary vaccination or their latest booster. They're not to be used for initial vaccinations.
The big question is whether people weary of vaccinations will roll up their sleeves again. Just half of vaccinated Americans got the first recommended booster dose, and only a third of those 50 and older who were urged to get a second booster did so. One reason: The FDA cleared the modifications ahead of studies in people, a step toward eventually handling COVID-19 vaccine updates more like yearly flu shots.Health Canada poised to approve new Omicron-targeting vaccineHealth Canada says it could make a decision on approving Moderna's new Omicron-targeting vaccine within two weeks. If approved, it will leave Canadians with a decision: wait for the new shot, or get boosted with an existing vaccine.
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