including the differences between KN95 masks and other disposable face coverings. I also compiled highly rated NIOSH-approved N95s that are available online. (Note that most people use “mask” ...

The best thing to do is stay inside and limit your outdoor activities, but if you need to venture outdoors you can protect yourself with an N95 or a KN95 ... N95 masks also made the NIOSH-approved ...

Most Americans learned what an N95 mask was during the COVID-19 pandemic. But what many still don’t know is that every one of them was certified by a single, government-run lab in Bruceton, Allegheny ...

Since KN95 and KF94 masks aren’t certified in the U.S., any such mask claiming to be certified by the National Institute for Occupational Safety and Health, or NIOSH, is likely counterfeit. And since ...