Occurrence of Biomphalaria tenagophila and disappearance of Biomphalaria straminea in Paracambi, RJ, Brazil.

نویسندگان

  • C L da Silva
  • M S Soares
  • M G Barreto
چکیده

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The Pampulha reservoir remains a potential urban focus of schistosomiasis mansoni in Brazil: changes in the occurrence patterns of Biomphalaria species and a new record of the parasite.

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INTRODUCTION Human migration and the presence of natural vectors (mollusks) of Schistosoma mansoni are the primary causes of the expansion of mansoni schistosomiasis into southern areas of South America. Water conditions are favorable for the expansion of this disease because of the extensive hydrographic network, which includes the basins of the Paraná and Uruguay rivers and favors mollusk rep...

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عنوان ژورنال:
  • Memorias do Instituto Oswaldo Cruz

دوره 92 1  شماره 

صفحات  -

تاریخ انتشار 1997