Communicable Disease Control works in collaboration with the Public Health Laboratory, physicians in the community, and the California Department of Public Health to prevent and control the spread of communicable diseases, by investigation and follow-up of reported cases and their contacts. Staff provide education to individuals and groups, and surveillance to reduce incidents and prevent additional cases.Useful Links:California Department of Public Health- Division of Communicable Disease ControlPlacer County Public Health LaboratoryPlacer County ClinicsCenters for Disease ControlWorld Health Organization