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Multicenter Study
. 2007 Nov;101(11):1159-60.
doi: 10.1016/j.trstmh.2007.03.015. Epub 2007 May 17.

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

L Brutus  1 , D Schneider, J Postigo, W Delgado, S Mollinedo, J-P Chippaux
Affiliations
Multicenter Study

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

L Brutus et al. Trans R Soc Trop Med Hyg. 2007 Nov.

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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