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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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 ...

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 ...

PHILADELPHIA — Two years into the COVID-19 pandemic, the public debate on masks is as heated as ever — especially in Philadelphia, which earned national attention for once again requiring masks 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 ...

What changed in the CDC guidelines? The CDC currently recommends that you “wear the most protective mask you can that fits well and that you will wear consistently.” The question, then, is what type ...