The CDC says the guidelines were posted to its website in error. The now-deleted updates were notable because so far the agency has stopped short of saying that the virus is airborne.
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Laurel Wamsley is a reporter for NPR's News Desk. She reports breaking news for NPR's digital coverage, newscasts, and news magazines, as well as occasional features. She was also the lead reporter for NPR's coverage of the 2019 Women's World Cup in France.