For months, scientists have been saying masks reduce transmission of COVID-19. They now think masks can also make the illness less severe. The reason is the barrier created by a mask likely limits the ...

Adding a third layer to cloth face masks is now recommended for preventing the spread of COVID-19. Non-woven polypropylene fabric is the material of choice for this third layer, but many people may ...

Maybe you’ve hacked together a DIY mask from an old T-shirt or pillowcase over the last few weeks. That’s probably good enough for most uses, but if you want to get precise about it, a new study ...

Federal health officials have now recommended that we cover our faces with fabric during the coronavirus pandemic. But what material offers the most protection? The Centers for Disease Control and ...

One common concern about cloth face masks is the level of filtration they provide. The fabric’s mesh is often too open to filter out smaller particles such as smoke, dust, or viruses. A popular ...