A doctor on CNN says cloth masks should be 2 or 3 layers thick
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The head of Ontario's science table says to "ditch" single-layered cloth masks in favour of double-layered
The Post Millennial Live
Masks should have two layers
KMTV
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NOSE IN NOSE OUT MEETS COMPOSITE MASK LAYER LIMIT
Conspiracy Abound!
3-Layer Disposable Medical Safety Masks Review
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NBC's Today show does a segment where they teach parents how to mask their children
The Post Millennial Live
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Masks still an 'important layer of protection,' health officials say
News Of World
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