Wearing a mask is one way to reduce the spread of COVID-19. There are many types, including surgical masks, cloth masks, and respirators. SARS-CoV-2, the virus that causes COVID-19, usually transmits ...
Erica South, a nurse in the emergency department at UNC REX Hospital, tightly positions her N-95 mask. Ethan Hyman ehyman@newsobserver.com It may be time to reevaluate your mask situation. The latest ...
The Centers for Disease Control and Prevention has changed its guidelines about masks and respirators a number of times over the past two years and gave its most recent update on Jan. 14, 2022. The ...
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