巴西中部地区作为克氏锥虫潜在传播媒介的共栖锥蝽
Synanthropic triatomines as potential vectors of Trypanosoma cruzi in Central Brazil.
作者信息
Minuzzi-Souza Thaís Tâmara Castro, Nitz Nadjar, Cuba César Augusto Cuba, Santalucia Marcelo, Knox Monique, Hagström Luciana, Furtado Camilla Bernardes, Vital Tamires Emanuele, Obara Marcos Takashi, Hecht Mariana Machado, Gurgel-Gonçalves Rodrigo
机构信息
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.
出版信息
Rev Soc Bras Med Trop. 2017 Nov-Dec;50(6):824-828. doi: 10.1590/0037-8682-0199-2017.
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.
引言
恰加斯病监测需要了解关于共栖锥蝽的最新情况。我们分析了2012年至2014年期间巴西中部锥蝽的出现情况和克氏锥虫感染率。
方法
在房屋内部或周围收集锥蝽，并通过光学显微镜以及常规/定量聚合酶链反应来确定克氏锥虫感染情况。
结果
在收集到的2706只锥蝽中，污色锥蝽是戈亚斯州最常见的种类，而大锥蝽在联邦区占主导地位。鉴定出的寄生虫有克氏锥虫、兰氏锥虫和脆壁虫属。
结论
大锥蝽和污色锥蝽使巴西中部存在克氏锥虫传播给人类的风险。
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