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.

Share on Pinterest New research examines the protection offered by fit-tested N95 masks against airborne particles. John Tlumacki/The Boston Globe via Getty Images Healthcare workers rely on N95 ...

The CDC guidelines are clear: while a cloth mask is sufficient for viruses like Covid-19, they are not a substitution for personal protective equipment (PPE). However, even if you are wearing the ...