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  • Title: Freshwater snails and Schistosomiasis mansoni in the State of Rio de Janeiro, Brazil: II--Centro Fluminense Mesoregion.
    Author: Thiengo SC, Fernandez MA, Boaventura MF, Santos SB, Mattos AC.
    Journal: Mem Inst Oswaldo Cruz; 2002 Jul; 97(5):621-6. PubMed ID: 12219122.
    Abstract:
    During the course of a survey carried out from 2000 to 2001 in the Centro Fluminense Mesoregion of the State of Rio de Janeiro 22 molluscan species were found. Many of the records are new due to the dearth of previous studies. Concerning the snail hosts of Schistosoma mansoni, the most frequently encountered species was Biomphalaria tenagophila, as it occurred in all the surveyed municipalities. There are new records of Biomphalaria straminea and Biomphalaria peregrina which is regarded as a potential intermediate host. Drepanotrema lucidum and Antillorbis nordestensis were found to be shedding echinostome cercariae and strigid cercariae respectively. An account about the current schistosomiasis transmission sites in this Mesoregion is presented as well.
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