The fit of your face mask has a lot to do with how effective it is — the tighter the better for filtering your breath and keeping others safe from viral particles, including those of COVID-19. That ...

New mask advice from the Centers for Disease Control and Prevention — connected with a new study — focuses on making sure masks fit correctly to better prevent the spread of COVID-19. The CDC studied ...

When the Centers for Disease Control and Prevention first recommended that everyone wear a cloth mask in public in April 2020, there weren’t enough highly protective N95 respirators to go around. For ...

In a recent article published in the journal Physics of Fluids, researchers explored the influence of perimeter leakage on the effectiveness of face masks. Study: Perimeter leakage of face masks and ...

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 ...

CAMBRIDGE, MA -- Wearing a mask can help prevent the spread of viruses such as SARS-CoV-2, but a mask’s effectiveness depends on how well it fits. Currently, there are no simple ways to measure the ...

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 ...