China reports 15 new Covid-19 cases as Wuhan gears up to test its 11 million people

China has reported 15 new coronavirus cases, including eight asymptomatic ones, while the epicentre of the deadly virus Wuhan city, which announced plans to test all of its over 11 million people, has confirmed no new Covid-19 infection, health authorities said on Wednesday. Seven new confirmed Covid-19 cases were reported on Tuesday of which one is imported and the other six cases locally transmitted.