Post-race fever, rashes, and nausea plague participants of the recent muddy endurance event in Sonoma County, prompting a Health Advisory for potentially more serious infections.

Two deaths and multiple illnesses linked to Legionnaire's disease outbreak are traced back to a Richmond day spa that operated without proper permits.

Air quality may deteriorate as smoke from numerous wildfires in northern California is expected to reach the North Bay on Sunday afternoon, impacting those with respiratory illnesses.

West Nile virus-positive mosquitoes discovered in Sunnyvale lead to targeted mosquito control treatment.

A San Diego woman files a lawsuit against Paradise Valley Hospital, alleging poor treatment and negligence which led to the death of her children's father shortly after being discharged.

San Diego Sector Border Patrol agents raced against time in a daring rescue mission to save a 6-year-old child injured during an off-road racing event. Their commitment and quick thinking saved the child's life.

Kaiser Permanente's new San Marcos hospital opens amid concerns from nurses about the impact on patient safety due to understaffing at other facilities.

La Mesa's free tree program offers a helping hand to residents in areas with public right-of-ways as the city aims for a greener, cooler future.

Contra Costa Health (CCH) is investigating a Richmond spa connected to a potentially deadly outbreak of Legionnaires' Disease, with at least two fatalities reported.

A San Jose martial arts instructor had half of her skull removed after multiple sinus infections led to a dangerous brain abscess.

Virtual reality headsets are being utilized to soothe children before surgery in South Bay, using meditative research and calming exercises to provide a comfortable experience for young patients.

Solidcore's boutique pilates studio, coming to 2175 Market St. in the Castro. Learn about the company's history, expansion plans, and proposed opening date

Bird tests positive for West Nile Virus in Fairfield, prompting health officials to encourage residents to take preventive measures.