Credit: seas.yale.edu

seas.yale.edu

With certified face masks at a critical shortage, a team of researchers at the School of Engineering & Applied Science are developing a system to test the reliability of non-standard face masks. 

Face masks typically worn by healthcare workers undergo tests to ensure that they adequately protect users. The most commonly used among them are known as N95 masks (so called because they filter out at least 95% of fine airborne particles), which have been certified by the National Institute for Occupational Safety and Health (NIOSH). However, a severe shortage of these tested masks ...