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 ...

Eugenia O’Kelly does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Catherine Clase is a member of the Cloth Mask Knowledge Exchange, a research and knowledge translation group that includes industry stakeholders. Industry stakeholders contribute to the Cloth Mask ...

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 ...