How Effective Are Face Masks?

Press/Media: Expert Comment

Period	Feb 12 2020

Media coverage

Title	How Effective Are Face Masks?
Media name/outlet	CBS Minnesota
Country	United States
Date	2/12/20
URL	ct.moreover.com/?a=41361056012&p=1gw&v=1&x=D5HS5njarMRyhbq0llSlYg
Persons	Mark R Schleiss