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2007•Transactions of the Royal Society of Tropical Medicine and HygieneRequires access

Evidence of congenital transmission of Trypanosoma cruzi in a vector-free area of Bolivia

Laurent Brutus, Dominique Schneider, José A Ruiz-Postigo, Wilder Delgado, S. Mollinedo, Jean‐Philippe Chippaux

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Abstract

A seroprevalence survey of Trypanosoma cruzi was carried out in two areas of South Bolivia. Triatoma infestans, the main vector of Tryp. cruzi, was abundant in the first area, but absent in the second one. Titration of Tryp. cruzi antibodies was carried out in children aged 6-24 months and their mothers. The seroprevalence of Chagas' disease was significantly higher in the area with the vector, but also high in the second area. Chagas' infection in children under 2 years old could be linked to congenital transmission of parasites during pregnancy and/or delivery, despite active vector control in both areas.

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What this paper is about

A seroprevalence survey of Trypanosoma cruzi was carried out in two areas of South Bolivia. Triatoma infestans, the main vector of Tryp. cruzi, was abundant in the first area, but absent in the second one. Titration of Tryp. cruzi antibodies was carried out in children aged 6-24 months and their mothers. The seroprevalence of Chagas' disease was significantly higher in the area with the vector, but also high in the second area. Chagas' infection in children under 2 years old could be linked to congenital transmission of parasites during pregnancy and/or delivery, despite active vector control in both areas.

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Available abstract

A seroprevalence survey of Trypanosoma cruzi was carried out in two areas of South Bolivia. Triatoma infestans, the main vector of Tryp. cruzi, was abundant in the first area, but absent in the second one. Titration of Tryp. cruzi antibodies was carried out in children aged 6-24 months and their mothers. The seroprevalence of Chagas' disease was significantly higher in the area with the vector, but also high in the second area. Chagas' infection in children under 2 years old could be linked to congenital transmission of parasites during pregnancy and/or delivery, despite active vector control in both areas.

Key concepts: Library science, Tropical medicine, Latin Americans, Transmission (telecommunications), Unit (ring theory), Political science, Biology, Psychology

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