Dr. Julie Swann, A. Doug Allison Distinguished Professor and Department Head at NC State University debunks the claim that face masks can't block viruses such as COVID-19.
Texas Border Business/September 2, 2021
Dr. Julie Swann, A. Doug Allison Distinguished Professor and Department Head at NC State University debunks the claim that face masks can't block viruses such as COVID-19.
Texas Border Business/September 2, 2021