Masks and facial coverings are required in most settings to slow the spread of the coronavirus. The CDC released new data Wednesday on how to improve mask fit that reduces a person’s exposure to the ...

Many people choose to wear an N95 mask as a way to reduce exposure to harmful viruses and airborne toxins or pollutants.

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 ...