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Schistosomiasis in Dogon country, Mali: identification and prevalence of the species responsible for infection in the local community.
De Clercq, D; Rollinson, D; Diarra, A; Sacko, M; Coulibaly, G; Landouré, A; Traoré, M; Southgate, V R; Kaukas, A; Vercruysse, J.
Afiliação
  • De Clercq D; Institut National de Recherche en Santé Publique (INRSP), Service de Parasitologie, Project RUG-INRSP, Bamako-Coura, Mali.
Trans R Soc Trop Med Hyg ; 88(6): 653-6, 1994.
Article em En | MEDLINE | ID: mdl-7886759
ABSTRACT
The prevalence of schistosomiasis amongst the Dogon people in 4 villages and one school of the Bankass district of Mali was determined during 2 surveys in 1992; 1398 urine and 1199 stool samples were examined. The most common schistosome was Schistosoma haematobium, with an overall prevalence of 51.3%; S. mansoni had a prevalence of 12%. No S. intercalatum egg was seen in the stools. Biomphalaria pfeifferi and Bulinus truncatus were found in pools at the base of the Dogon cliffs; Bulinus forskalii was found in smaller numbers in brick pits. Two isolates from urine samples of children were identified as S. haematobium in the laboratory using an alpha-glycerophosphate marker, restriction enzyme analysis of ribosomal deoxyribonucleic acid (rDNA) and random amplification of polymorphic DNA. The isolates did not develop in Bulinus forskalii or B. crystallinus of the B. forskalii group. Some evidence for past hybridization of S. haematobium and S. intercalatum is provided by the enzyme and rDNA results as well as the positive Ziehl-Neelsen staining of polymorphic eggs in urine samples. The findings are discussed in relation to the published observations concerning schistosomiasis in travellers returning from this region of Mali.
Assuntos
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Biomphalaria / Esquistossomose mansoni / Esquistossomose Urinária / Bulinus / Vetores de Doenças Tipo de estudo: Diagnostic_studies / Prevalence_studies / Prognostic_studies / Risk_factors_studies Limite: Adolescent / Adult / Aged / Animals / Child / Child, preschool / Female / Humans / Infant / Male País/Região como assunto: Africa Idioma: En Revista: Trans R Soc Trop Med Hyg Ano de publicação: 1994 Tipo de documento: Article País de afiliação: Mali
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Biomphalaria / Esquistossomose mansoni / Esquistossomose Urinária / Bulinus / Vetores de Doenças Tipo de estudo: Diagnostic_studies / Prevalence_studies / Prognostic_studies / Risk_factors_studies Limite: Adolescent / Adult / Aged / Animals / Child / Child, preschool / Female / Humans / Infant / Male País/Região como assunto: Africa Idioma: En Revista: Trans R Soc Trop Med Hyg Ano de publicação: 1994 Tipo de documento: Article País de afiliação: Mali