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You are here: Home Training Repository of Instructional Materials for Epidemiology Case Studies L-tryptophan and Eosinophilia-Myalgia Syndrome

L-tryptophan and Eosinophilia-Myalgia Syndrome

Case Study Title
L-tryptophan and Eosinophilia-Myalgia Syndrome

Setting
New Mexico; entire United States

Type of Agent
Biological

Specific Agent
L-tryptophan

Modes of Transmission

Competencies Addressed
Public health literature Surveillance

Source
Association of Teachers of Preventive Medicine

Learning Objectives

  1. Discuss issues related to rapid establishment of national surveillance for a newly recognized and little understood disorder.
  2. Discuss development of case definitions.
  3. Describe the elements of design and the advantages and disadvantages of case-control versus cohort studies.
  4. Discuss some of the biases that might have affected these studies.
  5. Calculate and interpret a relative risk, odds ratio, and attributable risk percent.
  6. List and evaluate the criteria for causation.

Student Manual

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