Multiple variants of the virus that causes COVID-19 are circulating globally: The United Kingdom (UK) identified a variant called B.1.1.7 with a large number of mutations in the fall of 2020. This variant spreads more easily and quickly than other variants.
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Multiple variants of the virus that causes COVID-19 are circulating globally: The United Kingdom (UK) identified a variant called B.1.1.7 with a large number of mutations in the fall of 2020. This variant spreads more easily and quickly than other variants.