New research shows that while many cloth and medical masks fall short against tiny airborne particles, simple hacks like overmasking or using braces can dramatically improve your protection, yet only ...
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Do KN95 masks or N95 masks offer better protection?
NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we may earn a commission. Learn more. Fewer people wear face masks than during the Covid-19 ...
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