The makers of medical-grade N95 masks are rapidly adding production in the U.S. while research giant Battelle Memorial Institute is focused on ways to safely reuse the personal protective equipment.

3M has investigated 4,000 reports globally of fraud, counterfeiting and price gouging in connection with its N95 respirators. As a result, it has filed 18 lawsuits in North America. The Maplewood, ...

A dire shortage of N95 respirator masks and other medical equipment and supplies due to the coronavirus has some health-care providers and states turning to secondary distribution markets — and ...