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People will be given a dose of the Pfizer BioNTech Covid-19 vaccine at a Covid-19 mass vaccination center on Rabin Square in Tel Aviv, Israel on Monday January 4, 2020.Kobi Wolf | Bloomberg | Getty ImagesPfizer and BioNTech's Covid-19…

Radoslav Zilinsky moment | Getty ImagesScientists at Texas A & M University's Global Health Research Complex have reportedly discovered a new variant of Covid-19 that shows signs of an infectious strain that causes more serious…