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.

Federal agencies can relax their mask and testing protocols in the wake of new public health guidance. The Centers for Disease Control and Prevention’s released on Friday a “new framework” that “moves ...

How can consumers know how much protection their face covering really offers? A new Duke University study attempts to answer that very question. The study conducted at Duke will help not only in the ...

President Biden "played too loose" with COVID-19 guidelines established by the Centers for Disease Control after initially testing negative for the virus on Wednesday, a doctor says. While Biden ...

Health experts have determined that face coverings are a vital tool in reducing the spread of coronavirus -- but little research has been done into how different kinds of masks compare. A new study ...

In a recent study published in PNAS, researchers characterized the wettability of fibrous layers of N95 respirators or face masks using contact angle (CA) goniometers. Fluid mobility is ubiquitous in ...