SAN JOSE, Calif. (KGO) -- The case is growing stronger that Americans should wear face covers when they venture outdoors. On Thursday, Bay Area public health officials recommended the use of cloth ...
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Study reveals cloth masks rival some medical masks, but only N95s deliver near-total protection
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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