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June 19, 2026MMWR Surveillance SummariesOpen Access

Foodborne Disease Outbreaks Associated with Marine Toxins — Foodborne Disease Outbreak Surveillance System, United States, 2011–2023

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Authors

CHCassie M. HartleySHSon T. HoangVRVirginia A. Roberts

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Overview

Surveillance system identifies marine toxins causing foodborne outbreaks, highlighting key public health intervention strategies.

Key Points

  • To characterize the incidence and characteristics of foodborne disease outbreaks caused by marine toxins in the U.S. from 2011 to 2023.
  • Data collected from local, state, and territorial health departments through CDC's Foodborne Disease Outbreak Surveillance System (FDOSS)
  • Analysis of 402 reported outbreaks of foodborne illness associated with marine toxins
  • Outbreak definitions included two or more cases of similar illness linked to a common food exposure.
  • 402 foodborne disease outbreaks attributed to marine toxins caused 1,280 illnesses, 96 hospitalizations, and 1 death.
  • Scombroid toxin and ciguatoxin accounted for the majority of outbreaks, with 192 and 189 respective reports.
  • Most ciguatoxin outbreaks involved reef fish caught domestically, and most scombroid outbreaks were linked to imported fish prepared in restaurants.

Cite This Study

Hartley et al. (2026) studied this question.

synapsesocial.com/papers/6a34dc5265a5b0777af2c9d3https://doi.org/10.15585/mmwr.ss7503a1
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