Valve masks are a type of N95 mask with a one-way valve. The novel coronavirus pandemic brought society a new definition of normal which now includes wearing face masks. While the benefits of masks ...

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The NC Department of Health and Human Services recently issued new guidance on mask wearing, recommending heavy-duty N95 and KN95 respirators instead of loosely woven cloth masks, which research shows ...

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 ...

Prominent public health officials have increasingly highlighted the limitations of cloth face masks, pushing for more effective respirator masks such as N95s as omicron engulfs the United States, a ...

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 ...