Final epi summary template

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[EVENT ID#] [Pathogen] in [P/T]

[WGS Cluster Code]

Final Investigation Summary; [DATE]


Confirmed cases (n=#)

P/T Case Count



Estimated Burden of Illness[1]


Age (years)







Sex:  % Female

% (#/#)


% (#/#)





Best Date Range

DATE (date type) to

DATE (date type)

Reporting Delay (days)


90th Percentile




Epidemic Curve

Confirmed cases by best available date (n=#)




















* Flags on the epi curve (e.g. isolation/collection dates, probable cases, secondary cases)



Initial Stages of the Investigation

  • Summarize the early days of the investigation, including detection/notification, any notable context/background, and what motivated the activation of a national OICC.

Epidemiologic Investigation

  • Summarize food exposures of interest. This section can be modelled after the last epi update of an OICC. Examples of information to include below:
  • Initial exposure information was received for #/# cases, including # questionnaires, # data extracts, and # emails.
  • PHAC-OMD re-interviewed #/# cases using a focused questionnaire and open-ended approach (PT=#)
  • Food Exposure Summary:
    • #/# cases reported any beef
    • #/# cases reported any leafy greens


Laboratory Investigation

  • Summarize lab information, background, and context. Especially consider any historical context or unusual analyses conducted for the investigation (SNV analysis? cgMLST? Historical clusters/isolate?). Examples of information to include below:
    • The # cases isolates group together by #-# wgMLST allele differences.
    • There are no WGS clusters or isolates within # wgMLST allele differences of [CLUSTER CODE] in the PulseNet Canada database.
    • Within # wgMLST allele differences, or just slightly greater, there are # clusters in the PulseNet Canada database, including (list examples)


Food Safety Investigation

  • Summarize information on the food safety or product investigation, including: traceback, health risk assessments, sampling and/or product recalls, import/export restrictions, etc.
  • Details may be included in an appendix, or within this section. Format as in last epi update for the investigation.


Public Health Communications

  • Summarize information on any Public Health Notices posted for the investigation

US Investigation

  • Summarize any links to concurrent US investigations; refer to public notices for detailed counts. Information that is not publicly accessible should be approved by the US-CDC prior to including.


Final Stages of the Investigation

  • Summarize closing of the Outbreak/OICC. Include background/rationale if the OICC is kept open well beyond the date the outbreak could be declared over and/or if the outbreak is not declared over.

[1] Based on multiplier for [pathogen] obtained from Thomas MK, Murray R, Flockhart L, et al. Estimates of the burden of foodborne illness in Canada for 30 specified pathogens and unspecified agents, Circa 2006. Foodborne Pathog Dis 2013;10(7):639-648.