Do You Work in Disease Intervention? Complete the DI Job Task Analysis (JTA) Survey today.

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Get ready to dive into your exam prep journey with the CDI Study Guide and CDI Knowledge Check!  

CDI Study Guide

Developed by the National Board of Public Health Examiners (NBPHE), the CDI Study Guide offers a clear, structured breakdown of the six exam domains. It is designed to help you focus on essential topics, stay organized, and boost your confidence. 

CDI Knowledge Check

Not sure where to start? The interactive CDI Knowledge Check will help you pinpoint areas to focus on, so you can study smarter—not harder. 

Attend a virtual CDI Information session!

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