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State officials tighten COVID-19 restrictions as cases climb to more than 11.3 million nationwide

More than 11.3 million coronavirus cases have been confirmed across the U.S. As both cases and hospitalizations continues to rise, officials in at least 28 states are tightening COVID-19 related restrictions in an effort to curb the spread of the virus. Dr. Amesh Adalja, an infectious disease expert and senior scholar at Johns Hopkins University Bloomberg School of Public Health, joins CBSN's Elaine Quijano to discuss.
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