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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 105, No. 4, 2010, pp. 496-498
Bioline Code: oc10086
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 105, No. 4, 2010, pp. 496-498

 en Susceptibility and compatibility of Biomphalaria tenagophila check for this species in other resources from the Río de la Plata basin with Schistosoma mansoni check for this species in other resources from Brazil
Borda, Carlos Edgardo & Rea, María Josefa

Abstract

Schistosomiasis has expanded to southern parts of Brazil. Between 2005-2007 the dispersion and the proliferation of Biomphalaria tenagophila check for this species in other resources z was verified in the province of Corrientes near the Brazilian border. In order to study the possibility that schistosomiasis might spread into the basins of the Paraná and Uruguay Rivers, 440 B. tenagophila collected from 10 populations groups were experimentally exposed to infection with Schistosoma mansoni check for this species in other resources of the SJ2 strain. Snails from five localities were susceptible. Frandsen’s index (TCP/100) shows that those snails from Mirungá (11%), Aguacerito (2%) and Curupicay (2%) were Class I and not very compatible. Meanwhile, snails from Copra (6%) and Pay-Ubre (22%), in the Paraná River basin, were Class II and poorly compatible.

Keywords
compatibility - Biomphalaria tenagophila - Río de la Plata basin - Schistosoma mansoni

 
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