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Dr. Gottlieb: People who have been vaccinated should still wear masks

Dr. Scott Gottlieb, former FDA commissioner, says people who have been vaccinated have a lower risk of contracting the virus, but it doesn't mean they have no risk. They can still contract and transmit the virus to others, which is why everyone should wear masks until we reach herd immunity. He joins 'Closing Bell' to discuss.
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Fri, Mar 19 20214:55 PM EDT