BEIJING, China (AFP) — The city of Zhengzhou ordered its 12 million residents to take Covid-19 tests Wednesday after a handful of cases were detected, as China fights to stamp out virus clusters ahead of the Winter Olympics. Everyone in Zhengzhou, which has been placed under a partial lockdown, must be tested to “thoroughly uncover infections hidden among the public”, the city’s government said in a statement Wednesday. Zhengzhou has detected 11 cases in recent […]