SHANGHAI reported 39 Covid deaths today, official data showed, its highest daily toll since a weeks-long lockdown started, while China’s capital Beijing warned of a “grim” situation with rising infections.

The world’s second-largest economy has been struggling to stamp out its worst Covid-19 outbreak in two years with a playbook of harsh lockdowns and mass testing as it sticks to a strict zero-Covid policy, taking a heavy toll on businesses and public morale.