Ideally, everyone (not just medical workers) should be using a KN95 or N95 mask for optimal protection when COVID cases are high or when there's a contagious variant like Omicron, according to the ...

KN95 masks offer a similarly high degree of protection ... material under the edges (here’s a video from the CDC with ...

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 mask (only N95 masks are approved for ...

the masks most effective in protecting against smoke inhalation are N95 respirator masks and KN95 masks. However, Lang emphasizes that even a fabric mask or bandana is better than nothing ...