By MALCOLM RITTER AP Science Writer 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 alphabet and sing or just sit quietly for a half hour. Sometimes they cough. The cone sucks up everything that comes out of their mouths and noses. It's part of a device called 'Gesundheit II' that is helping scientists study a big question: Just how does the virus that causes COVID-19 spread from one person to another? […]
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