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


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… (More)


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