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Dr. Vin Gupta: There's not a 'one-size-fits-all' approach to lifting mask mandate

Pfizer is asking the FDA for a full U.S. approval of its Covid-19 vaccine. Dr. Vin Gupta, affiliate assistant professor at the University of Washington, says doing so will help combat vaccine hesitancy. He joins 'The News with Shepard Smith' to discuss.
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