Archbishop Riordan High School in San Francisco abruptly cancels classes due to three active tuberculosis cases, moving to remote learning while health officials conduct testing.

Three active tuberculosis cases connected to Archbishop Riordan have prompted mandatory testing, masking and contact tracing at the Westwood Park campus.

Zak Williams has joined San Francisco AI startup Headlamp Health as a health adviser to Lumos AI, a platform aiming to use multimodal data to spot early mental‑health warning signs and improve treatment matching.

Contra Costa County faces a potential loss of healthcare coverage for 93,000 residents and a $300 million funding shortfall due to federal and state policy changes.

A drug‑resistant fungus, Candida auris, is spreading in California hospitals and nursing homes; the sickest patients are most vulnerable and facilities are tightening screening and cleaning.

Major pediatric and emergency medicine groups issued updated standards saying many ERs lack pediatric readiness; experts estimate better preparedness could save about 2,100 lives. A new national assessment launches in March.

The article discusses the slight decline in overdose deaths in San Francisco, with a focus on efforts to address the ongoing public health crisis, particularly those related to fentanyl.

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.

Berkeley faces a leptospirosis outbreak among pets and rats at a local homeless encampment, posing health risks to residents. Officials urge relocation and cautionary measures.

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

Sonoma County issues advisory against wild mushroom consumption after a resident dies and poisonings surge, including cases requiring liver transplants.

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.

San Mateo County reports a flu-related adolescent death, with the patient not having received flu shot and the area experiencing increased flu activity. Health officials underscore the importance of vaccination.