CDC Cuts Recommended Quarantine Time as US COVID Infections Reach an All-Time High

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Although no longer required outside, a sign advises visitors to wear masks at the Denver Zoo in Denver. Some states embraced the new CDC guidance, but others have not. (May 13, 2021)
( David Zalubowski, File / AP Photo )
Produced by Joseph Gedeon
GBH PRX WNYC Studios