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Occurrence of Thiara (Melanoides) tuberculata (O.F. Mullher, 1774) (Gastropoda, Prosobranchia) in Brazil, first intermediate host of Clonorchis sinensis (Cobbold, 1875) (Trematoda, Plathyhelmintes)

Introduction of Thiara (Melanoides) tuberculata in Brazil, is reported. This introduction may go back prior to 1967 when some specimens were collected at Santos, S.Paulo (Brazil). T. (M.) tuberculata is an intermediate host of Paragonimus westermani and Clonorchis sinensis, both pathogenic for man. Only this last trematode has some potential for human infection in Brazil.

Tiara (M.) tuberculata; Clonorchiasis; Clonorchis sinensis; Paragonimus; Host parasite relations


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