The COVID-19 vaccines from Pfizer and Moderna are no longer under an emergency use authorization for adults. Even if they were, any changes would require the manufacturers to submit data and have their product reassessed by the FDA.
allows drugs or other treatments
Companies generally can’t change the ingredients or formulation, because every detail is tied to the approval process, said Dr. Paul Offit, a member of the advisory committee to the FDA on COVID-19 vaccines and director of the Vaccine Education Center at Children’s Hospital of Philadelphia. made by a chiropractor who said the emergency use authorization allows manufacturers to"change the formulas the entire time."
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