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Botulism in Argentina (CB3058)

Target Audience

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

Learning Objectives

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

  • Describe the occurrence, signs and symptoms, and control of foodborne botulism.
  • Describe the major steps in an outbreak investigation.
  • Critique a press release about an outbreak.
  • Construct and interpret an epidemic curve.
  • Given the leading hypotheses in an outbreak, develop a draft questionnaire.
  • Calculate and interpret the measure of association for a cohort study.
  • List activities to include in an environmental health assessment of a food implicated in an outbreak investigation.
  • Given details on the source of an outbreak, suggest short- and long-term interventions.
  • Describe measures that can be used to monitor the success of an intervention.


Successful completion of training in descriptive epidemiology, epidemic curves, measures of association, and outbreak investigation.






3 to 4 hours

Developed By

This product stems from a collaboration within the Centers for Disease Control and Prevention including:

  • National Center for Infectious Diseases (Division of Bacterial and Mycotic Diseases/ Foodborne and Diarrheal Diseases Branch and Food Safety Office)
  • Epidemiology Program Office (Division of International Health and Division of Public Health Surveillance and Informatics)
  • Public Health Practice Program Office (Division of Professional Development and Evaluation)
  • Public Health Training Network

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

Original Investigation Team

The following individuals investigated the original outbreak of botulism in Argentina: Rodrigo G. Villar, Roger L. Shapiro, Silvina Busto, Clara Rive-Posse, Guadalupe Verdejo, Maria Isabel Farace, Francisco Rosetti, Jorge A. San Juan, Carlos Maria Julia, John Becher, Susan E. Maslanka, and David Swerdlow.

American Society for Training and Development's E-Learning Courseware Certification IconThe case study received the American Society for Training and Development's E-Learning Courseware Certification by meeting ASTD's rigorous standards for instructional design and usability.


Association for Educational Communications and Technology logoThe case study has also received the 2002 Outstanding Practice Award from the Design and Development Division of the Association of Educational Communications and Technology (AECT). This award is given to individuals or groups that have designed exemplary instructional materials or systems.

Contact Us:
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    Closed Holidays
  • The U.S. Government's Official Web PortalDepartment of Health and Human Services
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