No data to support delayed vaccine booster shot, says BioNTech

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“The safety and efficacy of the vaccine has not been evaluated on different dosing schedules as the majority of trial participants received the second dose within the window specified in the study design,” the businesses stated in a joint assertion, referring to prime and a booster pictures given three weeks aside.

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Updated: Jan 05, 2021, 08:30 IST

Germany was contemplating on Monday whether or not to enable a delay in administering the second dose to make scarce provides go additional after the same transfer by Britain final week. Separately, Denmark accredited a delay of up to six weeks between the primary and second pictures of the vaccine.(REUTERS (Representative Image))

BioNTech and accomplice Pfizer warned on Monday that they’d no proof that their collectively developed vaccine will proceed to defend towards Covid-19 if the booster shot is given later than examined in trials.

“The safety and efficacy of the vaccine has not been evaluated on different dosing schedules as the majority of trial participants received the second dose within the window specified in the study design,” the businesses stated in a joint assertion, referring to prime and a booster pictures given three weeks aside.

“There is no data to demonstrate that protection after the first dose is sustained after 21 days.”

Germany was contemplating on Monday whether or not to enable a delay in administering the second dose to make scarce provides go additional after the same transfer by Britain final week. Separately, Denmark accredited a delay of up to six weeks between the primary and second pictures of the vaccine.

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