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 ...

WASHINGTON — We’ve already been through two winters with COVID-19, but this year, we have three viruses on our minds: COVID-19, the flu, and RSV. The numbers are up, and Rochelle Walensky, director of ...

Fig. 1. Given (a) the scanned face model of a subject, we develop an optimization-based approach to design (b&c) a PAP mask cushion that fits the face model. (d) The designed mask cushion is ...

A new sensor can measure biological and environmental signals, and evaluate how well a face mask fits by measuring physical contact between the mask and the wearer's face. Wearing a mask can help ...

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