Nine Californians — including children — were sickened in an E. coli outbreak tied to The Kebab Shop's beef kofta; the chain paused kofta sales and investigators are testing samples.

State health officials say tests found elevated thallium in Brad’s kale and salad snacks; consumers are being told to discard or return affected packages.

Three pertussis cases were confirmed at Blair Middle School in Pasadena, prompting health department alerts and reminders to check vaccinations and monitor symptoms.

Los Angeles County reported a fifth measles case tied to an international traveler who arrived at LAX, with possible exposures at Terminal B. Officials plan contact notifications and are reminding residents about MMR protection.

The California Hospital Association sued Anthem Blue Cross, saying a new policy that cuts hospital payments when out‑of‑network doctors provide care is unlawful and risks deeper financial strain.

A UCLA-led JAMA Network Open study of 3.04 million insured adults finds telemedicine expansion did not significantly raise outpatient visits or overall spending.

A Los Angeles veterinary worker's blood showed H5N1 antibodies after treating an infected cat, offering the first serologic evidence of possible cat-to-human transmission.

City and county data link expanded naloxone access to thousands of reversals and a sharp decline in overdose deaths after local and state funding increased.

A Cedars‑Sinai‑led pilot found an antibody‑coated blood filter lowered sFlt‑1 and delayed delivery by about 10 days in 16 women with very preterm preeclampsia; larger trials are needed.

About 786,100 travel-size Afrin bottles were voluntarily recalled after regulators found they lack child-resistant packaging. Affected lot numbers and refund steps are listed.

A bat that tested positive for rabies was found near South Grand Avenue and Del Rosa Drive in Pasadena; officials warn residents and pet owners and provide reporting guidance.

Orange County confirmed a measles case in an infant linked to international travel; officials are notifying possible exposures and urging vaccination.

Pasadena public health confirmed four pertussis cases at Don Benito Fundamental School; officials are working with the district and urging vaccination and monitoring.