In this experiment, investigators used a laser in a darkened box to visualize approximately 300 droplets that were generated during speech. #COVID19 #SARSCoV2 pic.twitter.com/bLaX9ORDT9— NEJM (@NEJM) April 23, 2020
In this experiment, investigators used a laser in a darkened box to visualize approximately 300 droplets that were generated during speech. #COVID19 #SARSCoV2 pic.twitter.com/bLaX9ORDT9