Ill news, spreads apace: covid in China

The sudden rescinding of zero-covid strictures has, as expected, led to a spike in cases. Our correspondent visits overstretched hospitals and crematoria, and considers what will happen next. Aerial drones have in part shaped the war in Ukraine; now the naval kind are starting to play a role. And French-language purity goes out the window when it comes to startups. 

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