Yangshan Deepwater Port in Shanghai on April 24. 

Yangshan Deepwater Port in Shanghai on April 24. 

Photographer: Yin Liqin/China News Service/Getty Images

The Big Take

Global Supply Chain Crisis Flares Up Again Where It All Began

Ports are already snarled, with the $22 trillion trade in global goods facing months of severe disruption.

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China’s stringent rules to curb Covid-19 are about to unleash another wave of summer chaos on supply chains between Asia, the U.S. and Europe.