At least one incidence has been reported in which someone contracted Omicron while wearing a mask. Large large face N95 in addition, most cleaning processes will ensure that your mask can be used again. Kids kids size N95 mask they are in low supply and should be saved for healthcare personnel. They work especially well for hospitals, health fACIlities, and pharmACIes that want to protect their employees while they care for patients all day. But they do filter out at least 95% of fine particles in the air so you don't have to breathe them in. Here's what you need to know about how to properly clean your N95 mask to avoid compromising your health or the health of those around you.