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 ...

A team of researchers studying the effectiveness of different types of face masks has found that in order to provide the best protection against COVID-19, the fit of a mask is as important, or more ...

On April 8, 2020, the Occupational Safety and Health Administration (OSHA) issued an enforcement memorandum titled Expanded Temporary Enforcement Guidance on Respiratory Protection Fit-Testing for N95 ...

A team of researchers studying the effectiveness of different types of face masks has found that in order to provide the best protection against COVID-19, the fit of a mask is as important, or more ...