NBC News suggested Tuesday that kids should double mask as students return to school after winter vacation and the country grapples with the rise of the omicron coronavirus variant. "I actually just ...

Wearing a face mask can protect yourself and others from Covid-19, but the type of material and how many fabric layers used can significantly affect exposure risk, finds a study from the Georgia ...

If you are going to buy a face mask to protect yourself and others from COVID-19, make sure it's a three-layered mask. You might have already heard this recommendation, but researchers have now found ...