Few objects symbolize the pandemic as well as the N95. Impossible to find until they were ubiquitous, the double-strapped ...

Manufacturing giant 3M said it has an agreement with the ... including pulp for surgical-grade N95 masks, test kits and gloves.

"The surgical masks were not statistically less effective than N95s in preventing COVID-19 infections in health-care providers looking after patients with COVID-19," lead author Mark Loeb, MD, said in ...