Disposable surgical masks are also made of non-woven fabric. A 2013 study found that surgical masks were about three times as effective at blocking influenza aerosols as homemade face masks.

Onishi, a specialist in environmental epidemiology, tested numerous types of masks to ascertain which ones are effective in preventing infection from COVID-19. Non-woven masks which passed ...

Disposable masks and filters made from non-woven fibers, KN95 ... cleaning these masks or filters at home have been approved. Fabric face masks, on the other hand, can and should be washed ...