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Pfizer-BioNTech Covid-19 vaccine significantly effective against strains in Brazil, UK and South Africa

A new study has found that the Pfizer-BioNTech Covid-19 vaccine is significantly effective against the new mutant coronavirus strains detected in Brazil, UK and South Africa. The study published in the New England Journal of Medicine on Monday stated the Pfizer shot demonstrated “roughly equivalent” levels of neutralising activity against the Brazil and UK strains […]