Is a piece of cloth as good as an N95 mask in the battlefield against COVID-19?
-Soumyadeep Ghosh, Amity University Kolkata You must have come across many individuals on the street going around with a handkerchief around their faces. So are we making a fool of ourselves by purchasing an expensive N95 mask when we can just go hand in hand with a twenty rupees worth piece of cloth? Well, a […]