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Epidemiologic Case Studies

Computer-based Overview

CDRom ImageSalmonella in the Caribbean (CB1167)

Download this Computer-based Case Study

Target Audience
Public health practitioners with knowledge of basic epidemiologic and public health concepts, including epidemiologists, infectious disease investigators, public health nurses, environmental health specialists, sanitarians, laboratorians, and MPH students.

Learning Objectives
After completing this case study, the student should be able to

  • describe the epidemiology of infection with Salmonella (e.g., incubation period, modes of transmission, and common vehicles);
  • list the steps that might be used to investigate and address a public health problem;
  • describe the desired characteristics of a surveillance system for a disease, given the objectives of the surveillance system;
  • analyze figures that display public health data;
  • interpret the results of a case-control study;
  • discuss the uses of subtyping information in foodborne disease investigations;
  • assist in the evaluation of a surveillance system; and
  • discuss how surveillance data can be used to identify and characterize public health problems and to monitor control measures.

Knowledge of basic public health and epidemiologic concepts (including descriptive epidemiology, study design, and data analysis).



3 –4 hours

Continuing Education
This course, CB1176, has been approved for the following continuing education credits

Origin Date: April 1, 2008
Expiration Date: April 1, 2011

System Requirements
To undertake the case study, you will need the following computer hardware and software:

  • Microsoft® Windows® 95, Windows 98, Windows NT® 4.0 with service pack 3 or higher, Windows 2000®, Windows XP®, or Windows Vista®;
  • Intel® Pentium® processor or equivalent;
  • 65.6 MB available hard disk space;
  • 16 MB of memory;
  • 4x speed (NOTE: Only needed with CD format of program);
  • Monitor resolution of 800 x 600 with 16-bit color;
  • Display font size set to Small Fonts; and
  • Mouse.

This product is the result of collaboration within the Centers for Disease Control and Prevention, including the following organizations:

  • National Center for Zoonotic, Vector-Borne and Enteric Diseases/Division of Foodborne, Bacterial and Mycotic Diseases and Food Safety Office, and
  • Office of Workforce and Career Development/Training Services Division.

The development team included Jeanette K. Stehr-Green, MD, and Nancy Gathany, MEd.

Original Investigation Team
The following persons investigated the original salmonellosis problem in the Caribbean: Lisa Indar-Harrinauth, Nicholas Daniels, Parimi Prabbakar, Clive Brown, Gail Baccus-Taylor, Edward Commissiong, Hugo Reid, and James Hospedales.

Page Last Modified: April 22, 2008


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Contact Information

Centers for Disease Control and Prevention
Office of Workforce and Career Development

Mail Stop E-96
1600 Clifton Road
Atlanta, GA 30333
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Centers for Disease Control and Prevention, 1600 Clifton Rd, Atlanta, GA 30333, U.S.A
Tel: (404) 639-3311 / Public Inquiries: (404) 639-3534 / (800) 311-3435