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 ...

To protect yourself from the Omicron COVID-19 variant, which is more than twice as contagious than the Delta variant, researchers, public-health experts, and infectious-disease doctors now suggest ...