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Tiny airborne particles may pose a big coronavirus problem

NEW YORK (AP) At a University of Maryland lab, people infected with the new coronavirus take turns sitting in a chair and putting their faces into the big end of a large cone. They recite the alphabe…

NEW YORK (AP) At a University of Maryland lab, people infected with the new coronavirus take turns sitting in a chair and putting their faces into the big end of a large cone. They recite the alphabe…
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