An incident at Martinez Refining Company caused a foul odor and emergency flaring, leading to a Level 2 health alert in Martinez, which was later lifted.

Marathon Refinery fire in California under control, ending health advisory. Investigation underway for fire cause safety improvements.

Contra Costa Health in Oakland assures the public of no immediate health risks after a petroleum coke dust release at Martinez Refining Company; officials request further investigation.

With West Nile virus infected mosquitoes and birds detected in Livermore, authorities take action to halt the spread, carrying out mosquito control treatments in various areas.

With the number of COVID-19 hospitalizations rising in Contra Costa County, a new vaccine variant is set to arrive, aiming to protect against current and future strains of the virus.

A new pilot program in Berkeley aims to provide a compassionate alternative to police intervention when it comes to mental health crises. How does it stack up to current resources?

Infected mosquitoes and birds discovered in southwestern Livermore prompt mosquito control treatment to curb the spread of West Nile virus.

Alameda County's United Seniors of Oakland celebrate their 20th annual Healthy Living Festival, aiming to promote wellness and reduce the incidence of chronic diseases among mature adults.

Increased West Nile virus activity results in the Contra Costa Mosquito and Vector Control District taking decisive action to protect communities in Discovery Bay, Brentwood, and Concord.

Increased West Nile virus activity prompts Alameda County to respond by targeting adult mosquito population.

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

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

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