The Centers for Disease Control and Prevention (CDC) has changed its guidelines about masks and respirators a number of times over the past two years and gave its most recent update on January 14, ...
Researchers have tested a variety of popular hacks for improving the fit of KN95 and surgical masks, and found that while some hacks do improve fit, they can also come at the cost of the wearer’s ...
HE SAYS THIS MOVE WILL COME AT A COST. RICHARD METZLER HELPED TO START THE RESEARCH HERE AT THE CDC CAMPUS IN PLEASANT HILLS IN THE 1990S, HE SAYS. THEY HAVE BEEN DOING MINE SAFETY RESEARCH AS WELL AS ...
Researchers have tested a variety of popular hacks for improving the fit of KN95 and surgical masks, and found that while some hacks do improve fit, they can also come at the cost of the wearer's ...
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