Parasitic Diseases, Trematodes (Flukes)

Animals Involved

Dogs, foxes and other canids, cats, raccoons, muskrats, mink, other fish­eating mammals are definitive hosts; fish (and snails) are intermediate hosts

Known Distributions

North America; human infection rare

Probable Means of Spreading

Ingestion of undercooked freshwater fish containing encysted larvae

Clinical Manifestations in People

Fever, abdominal pain (mainly epigastric), anorexia during acute stage; effects of chronic infection uncertain

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