Few objects symbolize the pandemic as well as the N95. Impossible to find until they were ubiquitous, the double-strapped respirator stamped with all those letters and numbers confined many faces in ...

As the novel coronavirus spread throughout China, it became clear that a key piece of protective equipment for health care workers was the N95 respirator mask. Maplewood-based 3M, as the largest maker ...

N95 respirators, the gold standard of filtration masks, are back in the pandemic spotlight because of the highly contagious Omicron Covid-19 variant. Unlike earlier in the pandemic, N95s are now ...