To curb the transmission of COVID-19, the Centers for Disease Control and Prevention (CDC) has recently begun to recommend using a cloth face covering when you’re out in public. But why exactly is ...

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 ...

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 ...

More than 20 states now require people to wear face coverings in public. As more states make wearing face coverings in public mandatory, many wonder if masks with filters are more effective. "Any ...