With the delta variant surging and health officials urging indoor mask use — and requiring masks indoors for many Bay Area locations — you've likely pulled out ...

If possible, wear a surgical mask (aka one of the disposable masks usually made of blue paper) as your first layer, then add a cloth mask on top, Dr. Subramanian said. That's because the cloth mask ...

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 ...