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Study: Delta variant of COVID-19 linked to increased risk of hospitalization

A study out of Scotland linked the Delta COVID-19 variant to an increased risk in hospitalizations and suggested the Pfizer and AstraZeneca vaccines were less effective against the strain. Dr. Dyan Hes, the founder of Gramercy Pediatrics in New York City, joins CBSN to discuss these recent findings and other news about the virus.
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