Following a purge based on a harsh new security law, the territory’s Legislative Council lacks a single opposition voice. That will make the work of pro-Beijing lawmakers easier. As promising vaccines start to emerge, we examine the role of so-called T-cells in granting long-lasting immunity to the coronavirus. And why employers are relying more and more on psychometric tests.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer
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