Most Americans don't need another Covid booster shot, according to one of the Food and Drug Administration's (FDA) top vaccine advisers.Dr Paul Offit, who advises the on a range of shots for infectious diseases, told DailyMail.com middle-aged and younger Americans who do not have chronic diseases already had strong enough immunity through previous Covid vaccines and infections to prevent severe illness this winter.His recommendation comes as the FDA prepares to approve made by and designed to target new variants.
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