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A growing body of research suggests that face masks prevent coronavirus transmission.
But public-health officials have had difficulty enforcing mask requirements since the policy has become politically charged.
The decision should be simple: Wear a mask. Save lives.
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Last month, two hair stylists at the Great Clips salon in Springfield, Missouri, tested positive for COVID-19. Between them, they’d seen 140 customers since the salon reopened. They could have been contagious the whole time. But instead of detecting a cluster of new cases, local public-health arrived at a surprising finding: Of the 46 salon-goers tested for the virus, not one was positive.
The most likely reason: All salon employees and patrons had worn masks.See the rest of the story at Business Insider
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