Risk of transmission of Trypanosoma cruzi by wild Triatoma infestans (Hemiptera: Reduviidae) in Bolivia supported by the detection of human blood meals
2013
Buitrago, Nelly Lilian Rosio | Bosseno, Marie France | Waleckx, Etienne | Brémond, Philippe | Vidaurre, Pablo | Zoveda, Faustine | Brenière, Simone Frédérique
We analyzed the food sources of Bolivian wild Triatoma infestans (the main vector of Chagas disease in this country), to assess the role of these populations in the epidemiological context of Chagas disease. Ninety-eight blood meals were identified by heteroduplex assay and sequencing. Most of them were from wild mammals but surprisingly 27 were from humans. This brings to light the occurrence of human–vector contacts at risk of Trypanosoma cruzi transmission in the wild environment by highly infected insects.
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