Anti-virus controls that have shut down some of China’s biggest cities and fueled public irritation are spreading as infections rise, hurting a weak economy and prompting warnings of possible global shockwaves.
Shanghai is easing rules that confined most of its 25 million people to their homes after complaints they had trouble getting food. But most of its businesses still are closed. Access to Guangzhou, an industrial center of 19 million people near Hong Kong, was suspended this week. Other cities are cutting off access or closing factories and schools.
