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Should you wear a face mask?
Tim Harford examines whether covering your mouth and nose with cloth offers protection against Covid-19.
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.
(A woman wears a homemade face mask in Guayaquil, Ecuador. Photo credit:Francisco Mac铆as/Getty Images)
Last on
Mon 13 Apr 2020
15:50GMT
主播大秀 World Service except Australasia, East and Southern Africa & West and Central Africa
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