China tested 6.5 million people for coronavirus in just 9 days in Wuhan, China, the original epicenter for the pandemic, finding just over 200—mostly asymptomatic—cases.
Read MoreChina tested 6.5 million people for coronavirus in just 9 days in Wuhan, China, the original epicenter for the pandemic, finding just over 200—mostly asymptomatic—cases.
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