Better Masks, Adequate Ventilation Must to Curb COVID-19 Indoors

A commercial five-layered mask coupled with social distancing and good ventilation may be key to curtail the spread of SARS-CoV-2 in enclosed spaces.

from Top Lifestyle News- News18.com https://www.news18.com/news/lifestyle/better-masks-adequate-ventilation-must-to-curb-covid-19-indoors-3618608.html