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Mutations: Does SARS-CoV-2 Have a Fixed Number of Moves in Its Arsenal? 05/04/2021 National Institutes of Health Director Francis S. Collins holds a model of SARS-CoV-2 as he testifies on Capitol Hill, July 2, 2020. Photo: Graeme Jennings/Pool via Reuters/File Photo London/Chicago: The rapid rise in different parts of the world of deadly, more infectious coronavirus variants that share new mutations is leading scientists to ask a critical question – has the SARS-CoV-2 virus shown its best cards? New variants first detected in such far-flung countries as Brazil, South Africa and...

Apr 1, 2021 LONDON/CHICAGO – The rapid rise in various parts of the world of deadly, more infectious COVID-19 variants that share new mutations is leading scientists to ask a critical question — has the SARS-CoV-2 virus shown its best cards? New variants first detected in such far-flung countries as Brazil, South Africa and the U.K. cropped up spontaneously, within a few months, late last year. All three share some of the same mutations in the important spike region of the virus used to enter and infect cells. These include the E484k mutation, nicknamed “Eek” by some scientis...