The Economist: All Audio

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Apr 8, 2020 The “silent transmission” of covid-19 means people without symptoms could be a major source of its spread. How effective are masks as a defence? Plus, Kenneth Cukier asks Ivan Oransky, co-founder of Retractionwatch.com, whether the race to uncover the mysteries of the virus could lead to a torrent of “bad science”.For more on the pandemic, see The Economist's coronavirus hub. And please subscribe to The Economist for full access to print, digital and audio editions:www.economist.com/radiooffer  See acast.com/privacy for privacy and opt-out information.

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