In this Friday, February 21, 2020, photo, a doctor in a protective suit checks with patients at a temporary hospital at Tazihu Gymnasium in Wuhan in central China's Hubei province. China's leadership sounded a cautious note Friday about the country's progress in halting the spread of the new virus that has now killed more than 2,200 people, after several days of upbeat messages. (Photo by Chinatopix via AP Photo)
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