Which Face Masks Work Best?
3 years ago
1.28K
Duke University scientists say N95 masks without valves provide the best protection while fleece and bandanas performed worst in testing.
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KTNV
4 years agoAre face masks effective?
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1MAH2022
1 year agoMore proof masks work
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3:15
WKBW
2 years agoHealth experts say masks do work
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KTNV
3 years agoCloth masks aren't as good as medical masks
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KSHB
4 years agoHow to make your own face masks
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KTNV
3 years agoWhich DIY masks are most effective?
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0:40
KTNV
3 years agoEffectiveness of DIY face masks
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1:33
KSHB
3 years agoEffective ways to wear a face mask
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1:29
WFTX
3 years agoExperts say masks could save lives
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KGTV
2 years agoIn-Depth: Study demonstrates mask effectiveness
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