This is itself an issue, but our research also discovered another worrying thing: People aren’t very good at assessing whether their mask fits. Frequently, they use a self-assessment method to check ...

Registered nurses performs a N95 mask fit test and wear a qualitative test hood for a scent test, at the new ICU wing at Sharp Chula Vista Medical Center. (Photo by Marcus Yam / Los Angeles Times via ...

Please provide your email address to receive an email when new articles are posted on . Nearly 100% of N95 masks pass fit tests after 3 years, suggesting annual tests are not necessary. Moving to ...

P95 and N95 are rating classifiers for masks manufactured to keep people from inhaling dust and other small particles in unsafe environments.

Throughout the COVID-19 pandemic, and during a summer of bushfires, P2 or N95 masks have been held up as the best protection against contaminants in the air, but their effectiveness can be severely ...

Though mask restrictions are easing across the country (and around the world), officials say you shouldn’t be taking off your masks just yet, especially if you’re in crowded places or starting to ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. N95 masks are ...

The Delta variant has become the dominant strain of COVID, now accounting for more than 93% of all cases in the U.S., mostly among the unvaccinated population. The Centers for Disease Control and ...

Colin Furness is an infection control epidemiologist, and at the University of Toronto, an assistant professor in the faculty of information and assistant professor at the Dalla Lana School of Public ...

To the editor: N95 respirator masks are just a dollar’s worth of paper unless you’re fit-tested. (“Suppliers cash in as California taxpayers hit with wildly inflated prices for masks,” April 23) ...