Aggressive purchasing, solid logistics and a competitive health-care system have led to a world-beating rate of immunisation—but, as ever, politics is playing a role, too. Big oil had a terrible 2020, but the sector’s troubles pre-date the pandemic; we look at the supermajors’ varying approaches to an uncertain future. And how covid-19 is reshaping China’s clubbing scene.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer
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