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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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COVID Omicron variant fuels global concerns

Global leaders are racing to contain a potentially more dangerous new coronavirus strain that was first discovered in South Africa. On Friday, the World Health Organization officially declared the Omicron strain a "variant of concern." CBS News foreign correspondent Debra Patta has more from Johannesburg on the increased precautionary measures some countries are taking to slow the spread of the virus, then Lana Zak speaks with Dr. Sujan Gogu, a physician who is part of the founding circle of Doctors in Politics, about the dangers of the Omicron variant.

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