Add Yahoo as a preferred source to see more of our stories on Google. U.S. COVID cases are rising once again — and, as ever, Americans are arguing about masks. It’s a pattern as enduring as the ...

COVID cases are skyrocketing in Bay Area wastewater. The flu is also making a comeback. Health experts admit the country is embarking on something we’ve never seen before, a triple threat of viruses, ...

When the coronavirus outbreak starting closing down its retail stores around North America, Gap, Inc., decided to put its services to use elsewhere. Instead of focusing on the downside of the ...

SAN FRANCISCO (KGO) -- University of San Francisco researcher and data scientist Jeremy Howard has been at the forefront of urging everyone to wear masks in public and urging lawmakers to mandate mask ...