Coronavirus: Why face masks DO work, according to study

In scientific experiments at the University of Edinburgh's School of Engineering 'not a single droplet' was omitted by participants wearing a surgical face mask, the study claimed. https://www.dailymail.co.uk/news/article-8636147/Why-masks-work-Coughing-sneezing-without-exposes-people-10-000-TIMES-droplets.html?ns_mchannel=rss&ns_campaign=1490&ito=1490