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It filters 95% of particulate matter, just like the N95 mask, says Dr. Nina Shapiro, a pediatric ear, nose and throat specialist at Westside Head and Neck in California. KN95 masks are the Chinese ...

A Duke study showed that less than 0.1% of droplets were transmitted through an N95 mask while the wearer was speaking. That's why they're generally reserved for healthcare workers. But the Food ...

The options when choosing the best mask can feel overwhelming. N95 and K95 masks are among the most popular choices, but understanding their differences and knowing where to purchase them can help ...