Amid a shortage of medical-grade masks, federal guidelines now recommend everyone wear face coverings out in public. Here's ...

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 ...

It's time to up your mask game. With new, more contagious strains of the coronavirus spreading in the U.S., and transmission levels still very high in many places, some public health experts recommend ...

In light of new research, the CDC is once again emphasizing wearing a face mask with a proper fit and multiple layers to reduce the spread of COVID-19. Experts say if you have to keep adjusting your ...