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U.S. needs to do more than travel restrictions to stop transmission of omicron, doctor argues05:03
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The Biden administration swiftly restricted travel to the United States from southern Africa in response to the discovery of the new COVID-19 variant, omicron.

But much more needs to be done to curb transmission of the variant, according to Dr. Leana Wen. She's an emergency physician and a professor at the George Washington University Milken Institute School of Public Health.

This segment aired on November 30, 2021.

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