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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 102, No. 8, 2007, pp. 1007-1009
Bioline Code: oc07180
Full paper language: English
Document type: Short Communication
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 102, No. 8, 2007, pp. 1007-1009

 en Short Communication - A thirty years follow-up study on Schistosoma mansoni check for this species in other resources in a community of Minas Gerais, Brazil
Conceição, Maria José; Borges-Pereira, José & Coura, José Rodrigues

Abstract

During thirty years - 1973-2003 - a group of individuals infected by Schistosoma mansoni check for this species in other resources in Capitão Andrade, Rio Doce Valley, Minas Gerais, Brazil, was evaluated by the same authors, being one of the longest follow-up studies on schistosomiasisis mansoni in an endemic area. The diagnosis of S. mansoni was based on parasitological stool tests. In the clinical classification, three groups were considered: type I - schistosomiasis-infection, type II - hepatointestinal form, and type III- hepatosplenic form. The prevalence of infection were 60.8% in 1973, 36.2% in 1984, 27.3% in 1994, and 19.4% in 2003, while the index of hepatosplenomegaly were respectively 5.8%, 2.8%, 2.3% and 1.3%. The maintenance of high prevalence and severity of clinical forms are probably related to reinfection.

Keywords
schistosomiasis mansoni- follow-up study - thirty years - Minas Gerais - Brazil

 
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