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BioNTech and associate Pfizer warned on Monday that they’d no proof that their collectively developed vaccine will proceed to guard towards COVID-19 if the booster shot is given later than examined in trials.
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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 photographs given three weeks aside.
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Last Update: Tuesday, 05 January 2021 KSA 00:03 – GMT 21:03
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