NBC News2y
The best NIOSH-approved N95 masks, according to doctors
Out of all the different face masks you can choose from, one type is the most protective, according to the Centers for Disease Control and Prevention: N95 respirators. They’re designed to filter ...
Business Insider4y
The US government sent out a shipment of expired face masks to health workers. Here's how face masks can expire, and when they're still usable.
Still, the masks — called N95 filtering facepiece respirators — may still offer protection against the coronavirus even after their expiration date, according to experts. "N95 masks really don ...