Can you tell a Perfect Enemy? | Page 66 | theperfectenemy.com
July 12, 2025

Medical Masks Versus N95 Respirators for Preventing COVID-19 Among Health Care Workers: A Randomized Trial: Annals of Internal Medicine: Vol 0, No 0

Health care workers use either medical masks, also called surgical masks, or N95 respirators for the routine care of patients...