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Spread of Omicron variant sparks new COVID safety regulations

New testing regulations for travels coming into the U.S. began Monday, and New York City announced plans for a vaccine mandate for all private employers. Hospitals already filled with patients with the Delta variant are bracing for a potential new wave of cases. CBS News' Skyler Henry reports, and then ER physician Dr. Rob Davidson joins CBSN's Tanya Rivero to discuss the latest.
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