Beijing: China's Qingdao city has launched a citywide nucleic acid test campaign that will cover its nine million residents over the next five days, amid apprehensions of a second wave after the coastal city reported 12 COVID-19 cases.
The cases were connected to Qingdao Chest Hospital which is a designated medical institution for the COVID-19 patients from overseas.
In May, China tested 11 million people in Wuhan - the epicentre of the COVID-19 pandemic.
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The Qingdao health authority has said that a citywide testing program has been launched. The five districts - home to about six million people - will be fully covered in the next three days.
The whole city will be tested within five days, covering roughly nine million people, state-run Global Times reported.