JOE McDONALD Associated Press BEIJING (AP) — China on Monday expanded sweeping efforts to contain a viral disease by extending the Lunar New Year holiday to keep the public at home and avoid spreading infection as the death toll rose to 80. Hong Kong announced it would bar entry to visitors from the mainland province at the center of the outbreak following a warning the virus's ability to spread was increasing. Travel agencies were ordered to cancel group tours nationwide, adding to the rising economic cost. Increasingly drastic anti-disease efforts began with the Jan. 22 suspension of plane, train and bus links to Wuhan, a city of 11 million people in central China where the virus was first detected last month. That lockdown has expanded to a total of 17 cities with more than 50 mi
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