Raillietina infection

Parasitic Diseases, Cestodes (Tapeworms)

Animals Involved

Rodents, nonhuman primates are definitive hosts for R celebensis, R demerariensis; other species in birds,
mammals; arthropods, including ants, are intermediate hosts

Known Distributions

R demerariensis in tropical America (human cases mainly Ecuador, Cuba, Guyana, Honduras); R celebensis in Asia, Australia, Africa

Probable Means of Spreading

Probably ingestion of infected arthropods in food

Clinical Manifestations in People

Vague discomfort, many cases asymptomatic; gastroenteritis, possibly other signs; mainly in children

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