Communicable Disease Investigation Program

Through rapid response and effective communication, we work to safeguard public health and prevent outbreaks in our community.

What We Do

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.

Learn how to report diseases to Fresno County Public Health.

Clinicians with questions of diagnostic testing of reportable diseases, please call (559) 600-3332

Are you a Healthcare Provider?

Infectious Diseases of Most Concern

Epidemiology Program Title 17 Disease Reporting

To Report

Tuberculosis

(559) 600-3413 Click here
To Report

STD/HIV

(559) 600-6404 Click here
To Report

Any other reportable conditions

(559) 600-3434 Click here

For reportable diseases after hours, call (559) 600-3111.