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vol.25 issue5The distribution of Biomphalaria (Gastropoda, Planorbidae) in Rio Grande do Sul and Santa Catarina States, BrazilRelationship between the pathogenicity of Schistosoma mansoni in mice and the susceptibility of the vector mollusc: I. Cercariae infectivity and worm burden author indexsubject indexarticles search
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Revista de Saúde Pública

Print version ISSN 0034-8910On-line version ISSN 1518-8787

Abstract

VALADAO, Roxana  and  MILWARD-DE-ANDRADE, Roberto. The interations of planorbic vectors of Schistosoma mansoni and their relations with the expansion of the endemic disease in the Amazon region. Rev. Saúde Pública [online]. 1991, vol.25, n.5, pp.353-358. ISSN 1518-8787.  https://doi.org/10.1590/S0034-89101991000500005.

The hypothesis of competitive superiority is discussed in the light, first, of the complexity of the phenomena involved in the interaction and distribution of planorbid populations and, secondly, of the relation that is established between the snails of any given region and the infected human or animal host. Special attention is given to the distribution of planorbids in the Amazon, and the endemic problem of the region is dealt with.

Keywords : Biomphalaria; Residence characteristics; Schistosomiasis mansoni [epidemiology].

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