In light of the Omicron variant spread, it has become clear that cloth masks do not provide full protection from the virus. "It all comes down to fit and filtration, with emphasis on the fit factor," says William Ross...
Reprocessing of N95 respirators using vaporized hydrogen peroxide (VHP) is safe and does not impair respiratory integrity or filtration efficiency, according to a brief report published online Jan. 5 in the American Journal of Infection Control.