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Type: Artigo de periódico
Title: Seroepidemioplogy of schistosomiasis mansoni
Author: Hoshino-Shimizu, S.
Dias, L. C. S.
Kanamura, H. Y.
Silva, L. C.
Glasser, C. M.
Patucci, R. M. J.
Abstract: In population surveys in wich the Schistosoma mansoni intensity of infection is low, or in localities where the schistosomiasis control program had success the parasitologic methods lack in sensitivity. Despite of some limitations the immunological methods are useful to provide valuable information in such field conditions. Thus, the prevalaence of schistosomiasis in untreated population can be determined by the detection of IgG or IgM antibodies, as well as the incidence by the IgA antibodies , employing mainly immunofluorescence (IF) and immunoenzymatic (ELISA), and in some extent hemagglutination (HA) or even skin test. The true prevalence and incidence of schistosomiasis can be estimated using a probabilistic model equation, since knowing before-hand the sensitivity and specificity of emploved test. The sensitivity and the specificity of serologic test become higher in low aged group, under 14. The geometric mean IF titers also gives a positive correlation with the intensity of infection. Presently there are need of serologic tests wich are economic and pratical in soroepidemiologic inquires, requiring no specialized personnel to collect population blood or serum and also easily interpret the test results. The reagents for such tests are desired to be stable and reproducible. Moreover, it is expected that the tests can distinguish an ative infection.
Subject: Schistosoma mansoni
Editor: Instituto Oswaldo Cruz, Ministério da Saúde
Rights: aberto
Identifier DOI: 10.1590/S0074-02761992000800047
Date Issue: 1-Jan-1992
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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