Communicable Disease Investigation Program

Our CDI Program is committed to promoting good health and disease prevention in Fresno County. Our program conducts investigations of reportable disease and conditions in hopes to identify source/risk factors, ensures diagnostic testing, provides education to reduce/prevent spread of disease.

  • Investigate reportable infectious diseases in compliance with state and federal regulations.
  • Monitor and track reportable diseases and conditions.
  • Notify the public of their risk for infectious diseases.
  • Investigate outbreaks and enact control measures to prevent further disease spread.
  • Assist healthcare partners in providing diagnostic testing & treatment of infectious diseases.
  • Provide patient education of infectious disease and ways to reduce spread.

Clinicians with questions of diagnostic testing of reportable diseases, please call 559.600-3332

Smiling man sitting on examination bed with doctor


Find your CMR form here.(PDF, 2MB)

If you need anymore information on reporting diseases please follow this link.


We prepare for and respond to bioterrorism attacks and outbreaks that can impact the general public, and have action plans for specific agents that could lead to a widespread emergency.

Infectious Diseases of Most Concern
Meningitis       Measles

Botulism       Bioterrorism



Address: 1221 Fulton Street
Fresno, CA 93721

Tel: (559) 600-3332
Fax: (559) 600-7607

Hours of Operation: 8am - 5pm Monday through Friday, except holidays.


In cases of immediately reportable diseases after business hours or on weekends, health care providers please call our emergency after hours phone number: 559-600-3111.

Epidemiology Program Title 17 Disease Reporting: 

Tuberculosis: 559-600-3413

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STD/HIV: 559.600.6404

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All other reportable conditions: 559.600.3434

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