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.

A bat found near Fullerton College's music building tested positive for rabies; Orange County health officials say anyone who may have touched the animal should seek evaluation.

The estate of Stan Lucas gave Providence Saint John's Health Center $100 million to fund prostate cancer research and create an endowed chair in urology.

A USC dataset found younger lung‑cancer patients reported healthier diets; researchers and doctors say the result is preliminary and not proof of causation.