FDA Warns Health Officials Not To Mess With COVID-19 Vaccine Doses Schedule
3 years, 11 months ago

FDA Warns Health Officials Not To Mess With COVID-19 Vaccine Doses Schedule

NPR  

FDA Warns Health Officials Not To Mess With COVID-19 Vaccine Doses Schedule Enlarge this image toggle caption Jeff Chiu/AP Jeff Chiu/AP The U.S. Food and Drug Administration is warning health care workers that any changes to the authorized dosing schedules of COVID-19 vaccines currently being administered will significantly place public health at risk and undermine "the historic vaccination effort to protect the population" from the coronavirus pandemic. But the FDA has heard suggestions that the number of limited doses could be stretched by cutting them in half, extending the length of time between doses, or mixing and matching vaccines in order to immunize more people against COVID-19. The agency noted that during the clinical trial, researchers followed participants who failed to receive their scheduled doses only "for a short period of time, such that we cannot conclude anything definitive about the depth or duration of protection after a single dose of vaccine from the single dose percentages reported by the companies." Officials added: "If people do not truly know how protective a vaccine is, there is the potential for harm because they may assume that they are fully protected when they are not and, accordingly, alter their behavior to take unnecessary risks."

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