Over 4 million coronavirus tests have been conducted in China’s Qingdao city where a local virus cluster was detected over the weekend, officials said Over 4 million coronavirus tests have been conducted in China’s Qingdao city where a local virus cluster was detected over the weekend, officials said. The coronavirus has killed 4,634 people with 85,611 confirmed infections, including 241 active cases, in China. No additional COVID-19 cases have been reported in Qingdao as of Tuesday, following an outbreak of new cases that appeared over the weekend, officials said, adding that over 4.2 million people in the city have been tested out of its 9 million population. On Monday, the city reported 12 new cases, including six asymptomatic ones, though officials maintained that the city was at a low risk of a community-level spread, state-run Global Times reported on Wednesday. Further testing and investigation have shown that the confirmed and asymptomatic cases are closely linked to the ...