Coronavirus: Wearing surgical masks can reduce COVID-19 spread by 75%, study claims | World News | Sky News 2020-05-19 Leave a Comment on Coronavirus: Wearing surgical masks can reduce COVID-19 spread by 75%, study claims | World News | Sky News Source: Coronavirus: Wearing surgical masks can reduce COVID-19 spread by 75%, study claims | World News | Sky News TL;DR: animal study; hamsters in cages. My take: anything that helps lower the spread (the R0 or “R-naught”) is worth it.
