Chinese paramilitary police stand guard outside the closed Hankou Railway Station in Wuhan in central China's Hubei Province, Thursday, Jan. 23, 2020. Overnight, Wuhan authorities announced that the airport and train stations would be closed, and all public transportation suspended by 10 a.m. Friday. Unless they had a special reason, the government said, residents should not leave Wuhan, the sprawling central Chinese city of 11 million that's the epicenter of an epidemic that has infected nearly 600 people. (Chinatopix via AP)

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