World

Colorado identifies first known US case of covid variant

[ad_1] Does the covid-19 variant require a new vaccine? 2:24 (CNN) –– Colorado health officials on Tuesday announced the first known U.S. case of the covid-19 variant originally discovered in the United Kingdom. Covid-19 variant B.1.1.7 was identified in a Colorado man in his 20s with no travel history, Colorado …

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