The Economist: All Audio

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Jul 22, 2020 Oxford University is ahead in the race to develop a covid-19 vaccine that could halt the pandemic. Yet lead researcher, Professor Sarah Gilbert, says some trial results may be delayed owing to changing virus transmissions in different countries. Also, navigating the sky with diamonds. And, why sewage can help census-takers. Kenneth Cukier hosts. Please subscribe to The Economist for full access to print, digital and audio editions:www.economist.com/podcastoffer  See acast.com/privacy for privacy and opt-out information.

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