Wednesday, August 12, 2020
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Study: “Silent spreaders” behind half of U.S. COVID-19 cases

A new study published by the National Academy of Sciences says “silent spreaders” could be responsible for half of the coronavirus cases in the U.S. Dr. Ron Elfenbein joined CBSN with more on that, plus new research that suggests immunity to COVID-19 could be lost in just a matter of months. Source

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