Investigations of foodborne outbreaks caused by a parasite in Canada

B. Dixon,     Health Canada, Canada

L. Landry,     Public Health Agency of Canada, Canada

F. Milord,     Direction de la Santé Publique de la Montérégie, Canada


Two well-documented foodborne outbreaks of diarrheal illness associated with infection with Cyclospora cayetanensis occurred in Canada in the spring and early summer of 2005. One outbreak occurred in Ontario and the other in Quebec. This chapter describes these outbreaks and the epidemiological and traceback investigations that followed, as well as the risk management decisions that were made. A number of surveillance studies have reported the presence of this parasite in a variety of vegetables, ...

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