A review of 172 studies on coronavirus transmission from 16 countries confirmed that wearing a face mask and maintaining physical distance significantly reduced the risk of spreading COVID-19. The first-of-its-kind study, funded by the World Health Organization and published Monday in the journal The Lancet, also attempted to quantify how much each measure cut tra… Large global study affirms face masks reduce COVID-19 infection risk by 85 percent #coronavirus #research https://theweek.com/speedreads/917918/large-global-study-affirms-face-masks-reduce-covid19-infection-risk-by-85-percent