Sierra County Health Department works to promptly identify, prevent and control infectious diseases that pose a threat to public health, including emerging and re-emerging infectious diseases, vaccine-preventable agents, bacterial toxins, bioterrorism, and pandemics (e.g. avian influenza in humans).

Sierra County Health Department also works closely with the Office of AIDS on comprehensive prevention, diagnosis and treatment services for sexually transmitted diseases, viral hepatitis, and tuberculosis and HIV.

Communicable Disease A - Z
Reportable Diseases and Conditions
Reporting Forms