How this N95 mask could put others at risk for illness
May 07 2020, 08:00
With some states requiring residents to wear face masks in public to help stop the spread of the novel coronavirus, at least one mask could actually do more harm than good: An N95 respirator, but only if it has a small valve on the front.
With some states requiring residents to wear face masks in public to help stop the spread of the novel coronavirus, at least one mask could actually do more harm than good: An N95 respirator, but only if it has a small valve on the front.
Source:
FOX News