North Carolina State University researchers put cloth masks to the test recently, as part of an ongoing research effort to develop better test mask fit as well as breathability and filtration.

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. A large, real-world test of face masks in Bangladesh shows that masks work to reduce community ...

As cases of the omicron variant soar nationwide, health officials assert getting a booster shot and the COVID-19 vaccine offer the best protection, but wearing a face mask is also crucial in limiting ...