marzo 07, 2023

FDA advisers favor retiring original covid shot and using newer version
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Advisers to the Food and Drug Administration on Thursday unanimously endorsed retiring the original coronavirus shot in favor of one that targets both the original strain of the coronavirus and the omicron variant.

The recommendation, if adopted by the FDA, will have minimal impact on most people, affecting unvaccinated people who have not yet received any doses of the vaccine; they were still being offered two initial shots of a vaccine based on the original form of the virus. The bivalent shot that is replacing the original formulation has been used as a booster since September.

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