Washington [US], December 13 (ANI): In a recent study, scientists researched the protectiveness of various kinds of consumer-grade and modified masks, assuming the wearer was exposed to the novel coronavirus, like when we interact with an unmasked infected person.
Washington [US], December 12 (ANI): While wearing a face mask is an extremely essential measure to not only protect the wearer from expelling particles that might carry SARS-CoV-2, some people, though, still refuse to wear a mask. So, scientists researched the protectiveness of various kinds