Entering a third year of the COVID-19 pandemic and the latest infection surge nationwide comes with many challenges. One of those is for a continued adequate supply of masks, including the often used ...

During the pandemic, the prevailing thought has been that a high-filtration mask – such as an N95, KN95 or FFP3 – should offer better protection than a surgical or fabric mask. However, recent ...

This is itself an issue, but our research also discovered another worrying thing: People aren’t very good at assessing whether their mask fits. Frequently, they use a self-assessment method to check ...