A medical worker takes a swab sample from a citizen for nucleic acid test at a testing site in Suifenhe, Northeast China’s Heilongjiang province, يناير 31, 2022. [الصورة / شينخوا] Bloomberg article: Zero-tolerance approach ensures goods keep flowing ‘to rest of world’ Global supply chain problems and inflation could be much worse if China, the world’s factory, hadn’t taken a sweeping approach …