Dr. Don and Professor Ben talk about the risks of leaving ones facemask on the table in times of COVID-19. Dr. Don - risky ☣️ Professor Ben - risky ☣️ (3) Brian #SlowtheSpread Sauders, PhD ?????☣️? on Twitter: “@bugcounter @tvaziri @benjaminchapman How about taking your mask off in a meeting and putting it on the conference room table; then putting it back on when you leave the meeting? Similar situation in schools with masks off on the desks….?” / Twitter Contamination by respiratory viruses on outer surface of medical masks used by hospital healthcare workers | BMC Infectious Diseases | Full Text Seegene Inc