Schistosoma mansoni check for this species in other resources - control - low endemic area - seroepidemiology - São Paulo - Brazil"/>
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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 98, No. 6, 2003, pp. 853-859
Bioline Code: oc03171
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 98, No. 6, 2003, pp. 853-859

 en Schistosomiasis mansoni: Follow-up of Control Program Based on Parasitologic and Serologic Methods in a Brazilian Community of Low Endemicity
Lanny Cristina Burlandy-Soares; Luiz Cândido de Souza Dias; Hermínia Yohko Kanamura; Edward José de Oliveira & Ricardo Mario Ciaravolo


A field survey on schistosomiais was carried out in 1998, in the municipality of Pedro de Toledo, a low endemic area in the state of São Paulo, Brazil. According to the parasitologic Kato-Katz method, the prevalence rate was 1.6%, with an infection intensity of 40.9 eggs per gram of stool. By the immunofluorescence test (IFT) for detection of IgG and IgM antibodies in the serum, IgG-IFT and IgM-IFT, respectively, prevalence indices of 33.2% and 33.5% were observed. To assess the impact of the schistosomiasis control program in the area, parasitologic and serologic data obtained in 1998, analyzed according to the age, sex, and residence zone, were compared to previous data obtained in a epidemiologic study carried out in 1980, when prevalence indices were of 22.8% and 55.5%, respectively by Kato-Katz and IgG-IFT. A significant fall of the prevalence was observed, indicating that the control measures were effective. Nonetheless, residual transmission was observed, demonstrating the need for a joint effort to include new approaches for better understanding the real situation and improving the control of the disease in low endemic areas.

Schistosoma mansoni check for this species in other resources - control - low endemic area - seroepidemiology - São Paulo - Brazil

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