Parasitic Diseases, Nematodes (Roundworms)

Animals Involved

Cotton rats and other rodents are definitive hosts; slugs are intermediate hosts

Known Distributions

Mainly in Central and South America, Caribbean parasite has also been reported in North America

Probable Means of Spreading

Accidental ingestion of slugs or possibly plants contaminated by their secretions

Clinical Manifestations in People

Acute abdominal angiostrongyliasis; severe pain resembles appendicitis, especially in children; rarely, more insidious disease with liver involvement; complications can include intestinal ischemia, perforation; fatalities possible

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