Cotton, natural silk, chiffon make best materials for homemade masks against COVID-19: study

According to the researchers, including those from the University of Chicago in the US, SARS-CoV-2, the new coronavirus that causes COVID-19, is thought to spread mainly through respiratory droplets when an infected person coughs, sneezes, speaks or breathes.

from The Hindu - International https://ift.tt/3bDch7g