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 ...

NEW YORK -- You better start stocking up on your surgical or N95 or KN95 masks. Studies are emerging that cloth masks are not as effective in preventing the spread of COVID. A study released in ...

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The Centers for Disease Control and Prevention (CDC) has changed its guidelines about masks and respirators a number of times over the past two years and gave its most recent update on January 14, ...

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 ...

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 ...