Diphyllobothriosis is an infectious disease caused by the consumption of raw freshwater or marine fish containing larvae of broad tapeworms (Diphyllobothriidae). In the present study, we critically reviewed all cases of human diphyllobothriosis reported from Taiwan, including unpublished reports from hospitals in Taipei. Genotyping based on mitochondrial DNA marker (cox1) confirmed that two of the recent cases were caused by Dibothriocephalus nihonkaiensis, which is not native to Taiwan and was probably imported with Pacific salmon infected with larvae of D. nihonkaiensis. The causative species previously reported in Taiwan could not be definitively confirmed. However, considering the distribution of Dibothriocephalus latus, which is not endemic in Taiwan, past cases diagnosed as D. latus are questionable.

Original languageEnglish
Article numbere00213
JournalFood and Waterborne Parasitology
Publication statusPublished - Dec 2023


  • cox1
  • Diphyllobothriosis
  • Fish-borne parasite
  • Salmon
  • Taiwan

ASJC Scopus subject areas

  • Parasitology
  • Epidemiology
  • Food Science


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