Seattle's Singletto is ramping up sales of surgical masks treated with its virus-killing technology and exploring other ...

Keeping cool while wearing a facial covering might ... such as cotton or even bamboo. He says although surgical masks - the thin, blue masks that many people are seen wearing - provide protection ...

UKHSA's Prof Susan Hopkins questioned over face masks at Covid inquiry. There is only “weak evidence” that high-grade face masks better protected health workers than surgical ones in the ...