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Outbreak Simulation: Pharyngitis in Louisiana (CB3050)

Available for Download

  • Complete Package
    System Requirements:

    Investigating an Outbreak: Pharyngitis in Louisiana is a computer-based training program that runs on your computer in DOS or Windows without requiring an Internet connection. To undertake the case study you will need the following:

    • IBM-compatible computer running DOS 3.31 or higher with 5 megabytes of available hard disk space
    • Color VGA monitor
    • Pencil and paper to take notes
    • Calculator
    • An investigative mind

Even though this case study (originally created in 1994), is ancient by today’s technology standards — its instructional value has proven to be timeless. This award winning case study simulates an outbreak investigation in which the student is the lead investigator, responsible for a variety of activities. The student interviews patients with pharyngitis, talks with health care personnel, collects and analyzes epidemiologic data, and inspects sites that may be the source of the outbreak. Through the course of the investigation, the student uncovers important information and clues that ultimately lead to the source (and control) of the outbreak.

Target Audience

Public health workers who are likely to lead or participate in an outbreak investigation.


Completion of an introductory epidemiology course, e.g., CDC's Principles of Epidemiology, self-study course SS1000.

NOTE: The PDF version of SS1000 is viewable with Adobe® Reader® and can be accessed through the CDC Training and Continuing Education Online (TCEO). Select "Search" on the left side of the screen and use the Keyword Search with "Principles of Epidemiology" or "SS1000" as your keyword. You can also purchase the text from the Public Health Foundation.

Developed By

Originally developed in 1994 by the Division of Professional Development and Evaluation, Public Health Practice Program Office; and the Division of Training, Epidemiology Program Office. The development team included Nancy Gathany, MEd. and Jeanette K. Stehr-Green, MD.