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 ...

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 ...

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 ...