New @NatureMedicine paper looking at effects on transmission of influenza and human coronaviruses (not SARS-CoV-2 specifically) of wearing surgical masks. TL;DR - reduces flu droplet detection, CoV aerosol detection & 'trend' to droplet reduction #COVID19 https://www.nature.com/articles/s41591-020-0843-2
"Our results indicate that surgical face masks could prevent transmission of human coronaviruses and influenza viruses from symptomatic individuals" #COVID19