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The Reality of Double-Mask Data Is It Doesn’t Exist

Summary by Cindy Olmstead

Not one, but two. Or more. The U.S. Centers for Disease Control and Prevention has upped the mask-wearing game by declaring that double masking with cloth and surgical masks is what you need to protect against COVID-19. The mask ensemble should include a tightly fitted surgical mask with a cloth mask over it. Citing “new” research that double masking can reduce virus transmission by up to 96.5% if everyone does it, the CDC said the bottom line is that masks work. But do they...