Background In a previous randomised controlled trial (RCT) in hospital healthcare workers (HCWs), cloth masks resulted in a higher risk of respiratory infections compared with medical masks. This was ...

Cloth face masks are useful in protecting against the novel coronavirus — but only if you wash them after every use, according to a new study that found that reusing these face coverings over and over ...

A new study finds that cloth masks alone provide less protection from the coronavirus than a layered approach or disposable masks, such as surgical masks, KN95s and N95s but washing, drying reusable ...