Published: July 16, 2020
As evidence mounts that masks help stop the spread of Covid-19, what some prefer to believe is irrelevant
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In distant days when coronavirus was more mystery than misery, authorities were ambivalent on the preventive benefits of face masks. Those days are over.
Evidence is mounting that mask-wearing restricts both the spread of coronavirus and the severity of its infection – but it was as far back as 3 April when America’s Centres for Disease Control and Prevention issued a recommendation to mask up against the virus.
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