Abstract
Chagas disease surveillance requires current knowledge on synanthropic triatomines. We analyzed the occurrence and Trypanosoma cruzi infection rates of triatomine bugs in central Brazil, during 2012-2014. Triatomines were collected inside or around houses, and T. cruzi infection was determined by optical microscopy and conventional/quantitative polymerase chain reaction. Of the 2706 triatomines collected, Triatoma sordida was the most frequent species in Goiás State, whereas Panstrongylus megistus predominated in the Federal District. Parasites identified were T. cruzi, T. rangeli, and Blastocrithidia sp. P. megistus and T. sordida sustained the risk of T. cruzi transmission to humans in central Brazil.
Highlights
Chagas disease surveillance requires current knowledge on synanthropic triatomines
P. megistus (1.6%) were confirmed as infected with T. cruzi in stained slides and quantitative real time polymerase chain reaction (qPCR); four infected P. megistus were found inside houses
The results indicate that T. sordida, P. megistus, and
Summary
Synanthropic triatomines as potential vectors of Trypanosoma cruzi in Central Brazil. Thaís Tâmara Castro Minuzzi-Souza[1], Nadjar Nitz[2], César Augusto Cuba Cuba[1], Marcelo Santalucia[3], Monique Knox[4], Luciana Hagström[2], Camilla Bernardes Furtado[1], Tamires Emanuele Vital[2], Marcos Takashi Obara[1], Mariana Machado Hecht[2]. Laboratório de Parasitologia Médica e Biologia de Vetores, Faculdade de Medicina, Universidade de Brasília, Brasília, DF, Brasil. Laboratório Interdisciplinar de Biociências, Faculdade de Medicina, Universidade de Brasília, Brasília, DF, Brasil. Laboratório Central de Saúde Pública, Secretaria Estadual de Saúde de Goiás, Goiânia, GO, Brasil. Diretoria de Vigilância Ambiental, Secretaria de Saúde do Distrito Federal, Brasília, DF, Brasil
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