If You’re Wearing an N95 Mask With a Exhalation Valve, You Could Be Doing More Harm

If You’re Wearing an N95 Mask With a Exhalation Valve, You Could Be Doing More Harm

Since it's possible to transmit the coronavirus even if you aren't showing symptoms, the CDC recommends covering your face to protect others. You can buy disposable masks, sew your own out of fabric, or buy cloth masks, but experts warn against wearing N95 respirator masks with a breathing valve

By Miki