If You Wear a Face Mask to Stop Viral Transmission via Droplets, You Need to Watch This


Rubber Ring


Published on Aug 27, 2020

First study quoted:
DC Study: Nonpharmaceutical Measures for Pandemic Influenza in Nonhealthcare Settings—Personal Protective and Environmental Measures:

Second study quoted:
Nature Medicine: Respiratory virus shedding in exhaled breath and efficacy of face masks: