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Plague  Lesson 6
 Public Health Issues

Epidemiological Investigation

The principal purposes of epidemiological investigations are to:

  1. Characterize cases and confirm the outbreak.
  2. Identify the causative agent, source, and mode of transmission.
  3. Identify cases and case contacts through surveillance and contact tracing.
  4. Identify risk factors.
  5. Develop control and prevention strategies.
  6. Monitor and evaluate response to interventions.

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Epidemiologists investigating Anthrax Case
Epidemiological Investigation

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Page last reviewed February 12, 2007
Page last modified September 7, 2004

  • Content source: CDC Emergency Risk Communication Branch (ERCB), Division of Emergency Operations (DEO), National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)
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