As summer ushers in peak mosquito season, health and vector control officials are bracing for the possibility of another year of historic rates of dengue. And with climate change, the lack of an ...

A COVID wave is washing over California, with the state seeing continued increases in the number of newly confirmed cases and hospitalizations as some officials urged the public to take greater ...

SAN FRANCISCO -- California has broken a single-day record for new coronavirus cases Friday, as an additional 35,468 people are reported positive. That brings the state's seven-day average of new ...

SAN FRANCISCO -- A model from a University of Washington medical research group predicts when the impact of the novel coronavirus pandemic will reach its climax in each state. In California, the ...

SACRAMENTO, Calif. (AP) — California Gov. Gavin Newsom rolled up his sleeve Wednesday and received a coronavirus vaccine booster shot, a move he encouraged others to take as the state heads into the ...

It’s not just measles making a fierce comeback in 2025. Another disease that’s especially dangerous to young children, known as pertussis or whooping cough, is spreading nearly twice as fast as it was ...