NIOSH-approved N95 respirators are the most protective type of face mask, according to the CDC. Doctors explain how to shop ...

The good news is that N95 masks can filter out 95% of smoke particles, according to California’s health department. The best thing to do is stay inside and limit your outdoor activities ...

It filters 95% of particulate matter, just like the N95 mask, says Dr. Nina Shapiro, a pediatric ear, nose and throat specialist at Westside Head and Neck in California. KN95 masks are the Chinese ...

N95 masks are the most protective because they seal tightly around the nose and mouth so that few viral particles seep in or out. They also contain tangled fibers to filter airborne pathogens ...

Federal officials still wanted to reserve surgical masks and N95 masks for frontline health care workers. States then began introducing requirements that individuals wear face coverings in public.

Right now, it's important to save N95 respirators for medical professionals ... You can even sew a face mask lined with a vacuum filter, which some say could be more effective at filtering particles.

The respirator — don’t call it a mask ... N95 stockpiling going on. Those caches need to be refreshed on a regular basis, since there is an expiration date on respirators. The filter ...

N95 face masks can block more than 95 percent of microparticles ... The mask the group is working on features a replaceable filter and a body made of flexible resin. To prevent users from feeling ...