How to wear a surgical mask to capture viruses? Should the blue
By A Mystery Man Writer
Does wearing a surgical mask with the wrong side out affect its ability to capture viruses? We tested four surgical face masks to find out if the blue or white side should face out.
Upgrade Your Face Mask: 5 Ways To Filter Out More Particles : Shots - Health News : NPR
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How to wear a surgical mask to capture viruses? Should the blue
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NPR got these Facts on Masks Dangerously Wrong
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