The Disease Prevention and Control Branch (DPC) is part of the Population Health Division of the San Francisco Department of Public Health. DPC protects the health of San Francisco residents and visitors through public health clinics (Tuberculosis clinic, City Clinic, the AITC Immunization and Travel Clinic), our Public Health Laboratory , and our chronic disease prevention physician team. DPC also houses the Disease Intervention Specialists in SFDPH, who work directly with the public to improve health for individuals and for entire communities by ensuring best treatment and helping prevent the spread of many types of communicable diseases.