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 ...

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LOS ANGELES — Health officials and experts are increasingly saying it’s time to upgrade your face masks, especially in light of the omicron surge. • N95 and KN95 face masks, respirators on sale as ...

Use N95, or better, masks and make sure they cover your nose and mouth. By Claire Moses Today’s the day to put that mask back on. As smoke from wildfires in Canada drifts over large parts of the ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. It’s no surprise health officials and ...