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Volume 24, Number 8—August 2018

Epidemiology of Diphyllobothrium nihonkaiense Diphyllobothriasis, Japan, 2001–2016

Hiroshi IkunoComments to Author , Shinkichi Akao1, and Hiroshi Yamasaki
Author affiliations: BML Inc., Kawagoe, Japan (H. Ikuno); National Defense Medical College, Tokorozawa, Japan (S. Akao); National Institute of Infectious Diseases, Tokyo, Japan (H. Yamasaki)

Main Article


Cestode species identified in patient fecal samples, Japan, 2001–2016

Species No. samples
Total, no. (%)†
Proglottid (no.)* Egg
Diphyllobothrium nihonkaiense 526 (153) 299 825 (86.1)
Diplogonoporus balaenopterae 32 (8) 0 32 (3.3)
Spirometra spp. 2 0 2 (0.2)
Taenia spp.
72 (18)
99 (10.3)
Total 632 (179) 326 958 (100)

*Number in parentheses indicates the number examined by molecular analysis during 2012–2016.
†Numbers do not add up to 100% because of rounding.

Main Article


Page created: July 12, 2018
Page updated: July 12, 2018
Page reviewed: July 12, 2018
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.