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Omicron Variant

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Global concerns grow over Omicron variant

Researchers are trying to learn more about the Omicron COVID-19 variant and whether or not it is resistant to existing vaccines or more deadly than other variants. CBS news foreign correspondent Debora Patta takes us inside one of the labs in South Africa where the new strain was first discovered. Then, Dr. Stanley Perlman, a professor of microbiology, immunology and pediatrics at the University of Iowa, joins CBSN to discuss the latest.

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Global leaders fear spread of Omicron variant

U.S. officials are imposing travel restrictions for non-U.S. citizens from South Africa and seven other nations to slow the spread of the Omicron variant. CBS News' Natalie Brand reports on why these officials believe the measures are necessary. Dr. W. Ian Lipkin, a professor of epidemiology and director of the Center for Infection and Immunity at Columbia University, and CBSN's Tanya Rivero discuss the threat posed by the variant and U.S. officials' response to its spread.

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