Volume 72, Issue 3
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645


There are two foci of alveolar echinococcosis (AE) caused by in Japan. The first focus is on Rebun Island where AE patients were found from 1937, and the second is in eastern Hokkaido where patients have been found since the 1960s. The origin of the second focus is unknown. To further investigate AE in eastern Hokkaido, wild rodents (Muridae) were captured and examined for infection on Kunashiri Island, which is located 15 km off the northeastern coast of Hokkaido. Metacestodes of were isolated from two of 31 voles, all of which were identified to be . Mitochondrial DNA sequencing data of recovered cestodes showed total identity with the cestode reported from Hokkaido. These results suggest that may have been introduced to Hokkaido from Kunashiri Island during or after 1965.


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  • Received : 25 Feb 2004
  • Accepted : 08 Jun 2004

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