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A medical worker prepares to take a swab from a resident for the coronavirus test during home visits in Wuhan the epicenter of China's coronavirus outbreak in central China's Hubei province on Thursday, May 14, 2020. Some residential compounds in Wuhan have begun testing inhabitants for the coronavirus as a program to test everyone in the Chinese city of 11 million people in 10 days got underway. (KEYSTONE/AP/Chinatopix)