We're basically used to wearing face coverings while out and about at this point, and you may have noticed that several masks have a small slot to place a filter for extra protection. Adding a filter ...

One common concern about cloth face masks is the level of filtration they provide. The fabric’s mesh is often too open to filter out smaller particles such as smoke, dust, or viruses. A popular ...

We're all getting used to wearing face coverings while out and about, and you may have noticed that several masks have a small slot to place a filter for extra protection. Adding a filter in between ...

Editor’s note: As we will report below, experts agree that face masks with filters — and without — do not replace or relieve the need to wash your hands and practice safe social distancing, and they ...