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FDAs Role: Epidemiological investigation during foodborne outbreaks

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laboratory and. environmental data. Collaborates with CDC at. all phases of the. investigation ... Epi information needed for traceback. FDA relies on states ... – PowerPoint PPT presentation

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Title: FDAs Role: Epidemiological investigation during foodborne outbreaks


1
FDAs Role Epidemiological investigation
during foodborne outbreaks
  • Katie Vierk, MPH
  • Epidemiologist
  • Center for Food Safety Applied Nutrition
  • U.S. FDA

2
Epidemiology is crucial
  • FDA.
  • Provides technical
  • assistance to CDC and
  • state/local agencies
  • Reviews epidemiological,
  • laboratory and
  • environmental data
  • Collaborates with CDC at
  • all phases of the
  • investigation

Food?
3
Working together
4
Epi information needed for traceback
  • FDA relies on states and CDC for epi
  • Dates of illness onset
  • Dates of exposure to implicated product
  • Epidemiologic curve showing illness counts over
    time
  • Food history of cases
  • Determination of best food historians and/or
    clusters of illness to trace

5
Challenges
  • Widespread, small numbers of cases over many
    states
  • Lack of clusters of illness
  • Ingredients of foods difficult to implicate

6
Challenges
  • Lack of identification of a single food vehicle
  • Epi info evolves affects the traceback
  • Communication of epi facts
  • State resources

7
Considerations for future efforts
  • Involve all potential parties early on in
    investigation
  • Collaborate to identify innovative
    epidemiological methods
  • Determine the amount of evidence needed to
    officially implicate a food

8
Considerations for future efforts
  • Develop standardize information needs to inform
    the decision making process
  • Cross train and exchange personnel regularly
  • Close-out calls to summarize and discuss lessons
    learned

9
  • A traceback is only as good as the
  • epidemiological investigation
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