U.S. health officials want to make COVID-19 vaccinations more like the annual flu shot.
The Food and Drug Administration on Monday proposed a simplified approach for future vaccination efforts, allowing most adults and children to get a once-a-year shot to protect against the mutating virus.This means Americans would no longer have to keep track of how many shots they’ve received or how many months it’s been since their last booster.
In documents posted online, FDA scientists say many Americans now have “sufficient preexisting immunity” against the coronavirus because of vaccination, infection or a combination of the two. That baseline of protection should be enough to move to an annual booster against the latest strains in circulation and make COVID-19 vaccinations more like the yearly flu shot, according to the agency.
FDA will also seek input on switching all vaccines to target the same strains. That step would be needed to make the shots interchangeable, doing away with the current complicated system of primary vaccinations and boosters. Under FDA’s proposal, the agency, independent experts and manufacturers would decide annually on which strains to target by the early summer, allowing several months to produce and launch updated shots before the fall. That’s roughly the same approach long used to select the strains for the annual flu shot.
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