Epidemiology of foodborne illnesses

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations


Humans are the ultimate bioassay for low-level or sporadic contamination of our food supply. Epidemiologic methods of foodborne disease surveillance are powerful tools because they take advantage of events that are occurring throughout the population. This population-based lens, focused by advances in molecular subtyping and information technology available to public health laboratories, is particularly well suited to dealing with foodborne diseases associated with mass-produced and widely distributed food products. Whole-genome sequencing (WGS) is becoming the standard for public health surveillance. It offers greater sensitivity for outbreak detection and greater specificity for outbreak investigation than previous methods of analysis. WGS links between cases and foods or environmental samples will require exposure assessment. Public health officials will be challenged to provide the epidemiologic resources to investigate and solve the anticipated growth in small outbreaks. Better outbreak investigation methods, including environmental assessments, will provide more useful data to evaluate the effectiveness of food safety policies and improve food attribution models. Improving the science base for policy development should lead to more effective food control activities. Since national food supplies are rapidly becoming global in origin, the need for an international system for foodborne disease surveillance exists as well. Because foodborne disease problems imported into one country may represent disease problems endemic to the food-producing country, growing awareness of these problems could stimulate investment in interventions that improve public health in both countries.

Original languageEnglish (US)
Title of host publicationFood Microbiology
Subtitle of host publicationFundamentals and Frontiers
Number of pages16
ISBN (Electronic)9781683670476
ISBN (Print)9781555819965
StatePublished - Jan 1 2019

Bibliographical note

Publisher Copyright:
© 2019 ASM Press, Washington, DC.

Copyright 2021 Elsevier B.V., All rights reserved.


  • Analytical epidemiology
  • Antimicrobial agents
  • Descriptive epidemiology
  • Food attribution models
  • Food hazards
  • Foodborne disease surveillance
  • Foodborne illness
  • Foodborne transmission


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