When the COVID-19 pandemic took off in 2020, so too did questions over the effectiveness of wearing a face mask to prevent the spread of the virus. Now, four years later, what does the science say? In ...
Face masks can help slow the spread of coronavirus disease 2019 (COVID-19). Learn about mask types, which masks to use and ...
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 ...