The Cook County Health Department is a public health agency serving the residents of Cook County, Illinois. Its mission is to promote health, prevent disease, and ensure access to quality healthcare services. The department provides a range of services, including immunizations, disease prevention programs, and health education. In addition to direct health services, the Cook County Health Department also focuses on community health initiatives and policy development. It collaborates with local organizations to address health disparities and improve overall community well-being. The department plays a vital role in responding to public health emergencies and managing health-related data for the county.