Though studies on face shields are scarce, one cough simulation study in 2014 suggested that a shield could reduce a person’s viral exposure to a cough expelled less than 18 inches away by 96%.
“Face shields come in various forms, but all provide a clear plastic barrier that covers the face,” Doctors Eli Perencevich, Daniel Diekema, and Michael Edmond wrote in their JAMA Viewpoint.
Leave a Reply