More or Less - Should you wear a face mask?
Download Should you wear a face mask?
Do face masks stop you getting coronavirus? You might instinctively think that covering your mouth and nose with cloth must offer protection from Covid-19. And some health authorities around the world say people should make their own masks. But expert opinion is divided. Tim Harford and Ruth Alexander unpick the arguments.
Published on Saturday, 11th April 2020.
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