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Pfizer-BioNTech Covid-19 vaccine doesn’t need modifications against mutations: BioNTech claims

German company BioNTech has said its COVID-19 vaccine, developed in collaboration with pharmaceutical giant Pfizer, does not require modifications to protect people against key variants of the virus currently in circulation. “To date, there is no evidence that an adaptation of BioNTech’s current COVID-19 vaccine against key identified emerging variants is necessary,” the company said […]