SAN FRANCISCO (KGO) -- The omicron surge has caused the CDC to finally update its mask guidance late last week, indicating a clear preference for the level of protection offered by N95 and KN95 masks.

Coming soon to your Twitter feed: another Centers for Disease Control and Prevention poster on the virtues of mask-wearing. “People who reported always wearing a mask in indoor public settings were ...

Catherine Clase is a member of the Cloth Mask Knowledge Exchange, a research and knowledge translation group that includes industry stakeholders. Industry stakeholders contribute to the Cloth Mask ...

C Raina MacIntyre receives funding from NHMRC, MRFF and has consulted for Ascend Performance Materials, Detmold Group and Cleanspace in the last 5 years. Lisa M Brosseau has no research funding. Trish ...