Coronavirus: Scientists identify best material for making homemade masks to prevent...

Scientists have experimented with non-medical grade masks, and found that well-fitted ones made from stitching two layers of quilting cotton fabric are the most effective in stopping the spread of cough and sneeze droplets, whereas bandana-style coverings “had little to no effect.”

from Hindustan Times - topnews https://ift.tt/2ZmEESa