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Published on: September 30, 2017
Synanthropic triatomines as potential vectors of Trypanosoma cruzi in Central Brazil
Thaís Tâmara Castro Minuzzi-Souza1, Nadjar Nitz2, César Augusto Cuba Cuba1
1Laboratório de Parasitologia Médica e Biologia de Vetores, Faculdade de Medicina, Universidade de Brasília, Brasília, DF, Brasil.
Introduction:
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.
Methods:
Triatomines were collected inside or around houses, and T. cruzi infection was determined by optical microscopy and conventional/quantitative polymerase chain reaction.
Results:
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.
Conclusions:
P. megistus and T. sordida sustained the risk of T. cruzi transmission to humans in central Brazil.
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