New Variants Discovered in U.S. Raise Fears Over COVID Mutations

As of Feb 15, nearly 40 million Americans have had at least one COVID shot, and more than 14 million have had both doses. New coronavirus cases are on the downward trend. However, public health experts are warning about new variants in the U.S.

New York confirms it's treating its first case of a variant likely discovered in South Africa, and it may get much worse. It turns out we have plenty of our own variants here in the US. Will vaccines still work?

Carter Evans from CBS news reports. Air Date: Feb 15, 2021

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