Experts revere N95 respirators as the gold standard of face masks, but some people find them uncomfortable. High-quality KN95 masks, which offer similar protection, can be a more comfortable ...

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 ...

They get less effective over time, so after wearing one for a while, throw it out and put on a fresh ... Disposable face masks are less protective than N95 and KN95 respirators for two reasons.