Founded in 1850, the Los Angeles County Department of Health Services provides acute and rehabilitative patient care services. Located in Los Angeles, the department trains physicians and health care clinicians, as well as conducts patient care-related researches. It operates several hospitals affiliated with the University of Southern California School of Medicine and UCLA School of Medicine. The Los Angeles County Department of Health Services additionally operates various health centers and clinics throughout the Los Angeles County. The department offers health care services to more than 700,000 individuals and treats over 300,000 emergency and trauma victims every year. It provides emergency medical services through approximately 18,000 certified people employed by fire departments, ambulance companies, hospitals and private organizations to provide lifesaving services.