“Overall, the best mask ... an N95 or KN95 mask but want to prevent yourself from getting COVID-19 while traveling. In that case, Jubanyik recommends you consider double masking with a surgical ...

Still, there are homemade options that come close to the level of protection of an N95 or a surgical mask. An April study from the University of Chicago determined that "hybrid" masks ...

“Staff will wear a Level 2 surgical mask (or N95 if appropriate), covering the nose and mouth while providing patient care,” the company said. A Level 2 mask offers moderate protection from ...