By Jon Greenberg, PolitiFact The federal government did a quick pivot on the threat of the coronavirus spreading through the air, changing a key piece of guidance over the weekend.
On Sept. 18, the Centers for Disease Control and Prevention warned that tiny airborne particles, not just the bigger water droplets from a sneeze or cough, could infect others.
It cited growing “evidence.” By Sept. 21, that warning was gone from its website, with a note saying it had been posted in error and the CDC was in the process of updating its recommendations.
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