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In this March 12, 2020, photo, Chinese paramilitary policemen stand on duty behind a barrier at the Capital International Airport terminal 3 in Beijing. As the number of new cases dwindles in China and multiplies abroad, the country once feared as the source of the COVID-19 outbreak is now worried about importing cases from abroad. China hasn't imposed any travel bans, but Beijing said this week that all people arriving from overseas would have to self-quarantine for 14 days. (Photo by Ng Han Guan/AP Photo)
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