Outbreak Investigations: 10-Step Approach and Reasons to Investigate
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Questions and Answers

What is the primary reason to investigate an outbreak?

  • Evaluate existing prevention strategies
  • Identify the source and eliminate it (correct)
  • Develop strategies to prevent future outbreaks
  • Collecting and testing environmental samples

    • When deciding whether to investigate an outbreak, what should be considered?

  • Distribution of healthcare facilities
  • Severity of illness (correct)
  • Effectiveness of control measures
  • Quality of environmental samples

    • What is a vital part of outbreak investigation?

  • Establishing existence of an outbreak
  • Developing hypotheses
  • Collecting and testing environmental samples (correct)
  • Performing descriptive epidemiology

    • Which step involves verifying the diagnosis during an outbreak investigation?

    <p>Constructing case definition</p> Signup and view all the answers

    What should guide the collection of environmental samples during an outbreak investigation?

    <p>Epidemiologic results</p> Signup and view all the answers

    What is one of the 10 steps of an outbreak investigation?

    <p>Performing descriptive epidemiology</p> Signup and view all the answers

    What defines an outbreak?

    <p>Unusual number of cases in a specific population and area</p> Signup and view all the answers

    What is the purpose of establishing the existence of an outbreak in an investigation?

    <p>To determine if an outbreak is occurring and its scope</p> Signup and view all the answers

    What does the construction of a case definition involve?

    <p>Describing the person, place, and time of the illness</p> Signup and view all the answers

    What information should be included in a line list during an outbreak investigation?

    <p>Symptoms and onset dates</p> Signup and view all the answers

    What is the purpose of performing descriptive epidemiology during an outbreak investigation?

    <p>To develop hypotheses about the outbreak</p> Signup and view all the answers

    What can epi curves suggest in an outbreak investigation?

    <p>Type of exposure, time of exposure, and possible agents</p> Signup and view all the answers

    What does a point-source epi curve suggest in an outbreak investigation?

    <p>A single common source of exposure for all cases</p> Signup and view all the answers

    What is the purpose of developing hypotheses during an outbreak investigation?

    <p>To guide further studies and control measures</p> Signup and view all the answers

    What do epi curves represent in an outbreak investigation?

    <p>Number of affected individuals over time</p> Signup and view all the answers

    When constructing a case definition, what factor does 'place' refer to?

    <p>The location where exposure likely occurred</p> Signup and view all the answers

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