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How well will vaccines work?

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EVEN MIRACLES have their limits. Vaccines against the coronavirus have arrived sooner and worked better than many people dared hope. Without them, the pandemic threatened to take more than 150m lives. And yet, while the world rolls up a sleeve, it has become clear that expecting vaccines to see off covid-19 is mistaken. Instead the disease will circulate for years, and seems likely to become endemic. When covid-19 first struck, governments were caught by surprise. Now they need to think ahead.Listen to this storyYour browser does not support the element.Enjoy more audio and podcasts on iOS or Android. …

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