agency roles

An Epidemic of Thyrotoxicosis

Outbreak with unknown etiology and mode of transmission, crossing state lines, 1985; a nice wrap-up study, but domestic U.S. focus.

 

Objectives:

  • Define and perform calculations of sensitivity, specificity, predictive-value of a positive test, and predictive-value of a negative test;
  • Describe the relationship between prevalence and predictive value;
  • Discuss the trade-offs between sensitivity and specificity;
  • List the principles of a good screening program.
Investigation: 
Outbreak
Country: 
United States
Year: 
1987
Author (s): 

Frederic Shaw and Richard Dicker

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A Mixed Bag in Michigan ("PBBs in Michigan")

Based on the exposure of farm animals to feed contaminated with polybrominated biphenyl in 1973, and the subsequent concerns about human health.

 

Objectives:

  • Describe the role of each government agency involved in a contaminated food situation;
  • Discuss different options for studying the human health effects following an environmental exposure;
  • Calculate sample size requirements for a community survey;
  • Discuss the reasons for and limitations of a registry following an environmental exposure.
Investigation: 
Other
Country: 
United States
Year: 
1981
Author (s): 

Clark Heath

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