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 ...

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 ...

As the world is responding to the COVID-19 outbreak, fit testing respirators for healthcare workers and first responders remain vital to respiratory protection programs to reduce exposure to the ...

When it comes to face masks, there are no true substitutes for professionally fitted N95 respirators, the gold standard in protection against COVID-19. But given the shortage of such equipment (first ...