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Vaccine

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COVID Delta variant behaves "uniquely different," CDC says

As CBS News' Lilia Luciano reports, the Centers for Disease Control has updated its mask guidance as the Delta variant sends new COVID infections skyrocketing. Some vaccinated Americans are now being advised to mask up. Dr. Ebony Jade Hilton, co-founder and medical director of Goodstock Consulting and an associate professor of anesthesiology and critical care medicine at the University of Virginia, joins CBSN's Elaine Quijano with more on the pandemic's fourth wave.

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Surge in COVID-19 cases in some areas

The U.S. is seeing an outbreak of new coronavirus cases in areas where vaccination rates remain low. Infections are being driven by the highly contagious Delta variant, which is now the dominant strain in the U.S. It accounts for 83 percent of cases. CBS' Michael George reports on the latest on the pandemic. Then Dr. William Schaffner, a professor of infectious diseases at Vanderbilt University Medical Center, joins CBSN's Lana Zak to discuss the importance of vaccines.

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