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New facts about coronavirus as new cases surge in U.S.

Dr. Peter Hotez, Dean of the National School of Tropical Medicine at Baylor College of Medicine, talks to Lawrence O’Donnell about new facts we are learning about the coronavirus: more symptoms than previously understood and how the coronavirus “lingers” in the air – and says that until the U.S. successfully interrupts community transmission, the pandemic will continue to “spiral out of control.”

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