Kaiser Permanente's Santa Clara Medical Center has detected several cases of Legionella and is treating building water while investigators try to find the source.

Two deaths at San Jose State within a month have raised questions about campus deterrents, secrecy and the need for more mental‑health support.

Wastewater surveillance shows rotavirus rising across Northern California; parents are urged to watch infants for dehydration and discuss vaccines with clinicians.

A county report warns Hazel Hawkins' shutdown would send about 11,000 extra ER visits to St. Louise in Gilroy, forcing new stations and staffing.

Aedes aegypti — a bottle‑cap‑breeding, day‑biting mosquito that can spread dengue and Zika — has been detected in parts of the Bay Area; officials urge residents to clear standing water.

Santa Clara County confirmed a measles case in an adult who recently traveled abroad; officials say the vaccinated patient is isolating and urged residents to check MMR status.

A winter surge of death cap and lookalike mushrooms has hospitalized dozens in California, with Spanish‑speaking and Mayan immigrant communities among the hardest hit.

SFEI finds common disinfectant chemicals in Bay wastewater and biosolids; small outflows may already exceed aquatic safety limits.

A major meta-analysis finds mortality starts to fall near 4,000 daily steps — not 10,000. Small walks can add measurable benefits.

Former players, students and local leaders packed a Stanford panel to push back on mental-health stigma and point attendees to local crisis resources.

An analysis of millions of California pregnancies reveals a sharp rise in prenatal opioid use over the past decade, with newborns increasingly born into withdrawal and requiring intensive medical care. The surge is fueling calls for expanded maternal treatment programs.

San Mateo County confirmed an unvaccinated adult with measles after international travel; investigators are tracing contacts and no further symptomatic cases have been reported.

Santa Clara County has expanded its Nurse Navigator Program across all jurisdictions, enhancing 911 services by offering non-critical care options to callers and reducing the strain on emergency departments and ambulance services.