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 ...

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 ...

Many people choose to wear an N95 mask as a way to reduce exposure to harmful viruses and airborne toxins or pollutants.

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 ...