A new study suggests that homemade face masks with two or three layers may be more effective in preventing the spread of the novel coronavirus compared with a single-layered face covering. Researchers ...

Home-made cloth face masks likely need a minimum of two layers, and preferably three, to prevent the dispersal of viral droplets from the nose and mouth that are associated with the spread of COVID-19 ...

LOS ANGELES - Nationwide shortages of key medical supplies amid the COVID-19 pandemic have forced millions of citizens to fashion protective equipment to keep themselves safe during the widespread ...

A face-mask experiment from researchers in Australia found that homemade masks should have at least two layers, and ideally three, to be effective at preventing coronavirus spread. The researchers ...

The World Health Organization recommends three layers of materials for fabric face coverings to provide the best protection. For a nonmedical cloth mask, the WHO says in a new website post that there ...