If you’ve put your COVID face masks into retirement ... but if you need to venture outdoors you can protect yourself with an N95 or a KN95 mask (only N95 masks are approved for healthcare ...

There’s a wave of rising COVID cases across the country ... I consulted medical experts to learn more about N95 masks, including the differences between KN95 masks and other disposable face ...

Since the COVID ... Wearing a mask won't cause carbon dioxide poisoning. Although an airtight mask might make it a little harder to breathe, that doesn't include cloth masks or N95 respirators.

Experts advise throwing the mask out even after one use if it was worn in close contact with someone who is tested positive for Covid. Some online mask listings have obvious signs of fraudulence.

Properly fitted N95 or KN95 masks remain an effective tool for preventing transmission, especially in conjunction with vaccination. Campus departments may order free disposable masks for distribution.

In fight against novel coronavirus, the researchers have developed a reusable silicone rubber face mask with an N95 filter, which they believe could stop viral particles. According to the study ...