Parasitic Diseases, Trematodes (Flukes)

Animals Involved

Cats, dogs, foxes, swine, seals, other fish­eating mammals are definitive hosts; fish (and snails) are intermediate hosts

Known Distributions

Europe, Kazakhstan, Russia, Ukraine

Probable Means of Spreading

Ingestion of undercooked freshwater fish containing encysted larvae

Clinical Manifestations in People

Acute febrile illness with arthralgia, lymphadenopathy, skin rash; suppurative cholangitis and liver abscess in subacute, chronic stages; possible increased risk of cholangiocarcinoma

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