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  • Title: Infection status of freshwater crabs and crayfish with metacercariae of Paragonimus westermani in Korea.
    Author: Kim EM, Kim JL, Choi SI, Lee SH, Hong ST.
    Journal: Korean J Parasitol; 2009 Dec; 47(4):425-6. PubMed ID: 19967096.
    Abstract:
    The present study investigated the infection status of Paragonimus westermani metacercariae in freshwater crabs (n = 363) and crayfish (n = 31) from October 2007 to October 2008 using the crush method. All of the freshwater crabs, Eriocheir japonicus, were negative for P. westermani metacercariae while 10 (32.3%) of the 31 examined crayfish were positive. The 10 positive crayfish were caught in Haenam, Jeollanam-do, and there were 8-59 (mean 28.4) metacercariae per infected crayfish. These results suggest that P. westermani metacercariae are still transmitted by crayfish enzootically in southern Korea, and that freshwater crabs may transmit metacercariae only on rare occasions.
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