New and emerging variants of SARS-CoV-2 virus continue to pose a threat to the health of populations across the globe. Counting the unique and observable changes in the sequences available until January 2022 shows more than 6,000 mutations have accumulated in the spike gene of the virus. Initial studies claimed SARS-CoV-2 to be a fast-mutating virus which may make the virus fitter over time. (Read More)
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