de Queiroz R G, Vasconcelos I de A, Vasconcelos A W, Pessoa F A, de Sousa R N, David J R
Nucleo de Medicina Tropical, Universidade Federal do Ceara, Fortaleza, Ceara, Brazil.
Am J Trop Med Hyg. 1994 Jun;50(6):693-8. doi: 10.4269/ajtmh.1994.50.693.
Baturite is an important endemic zone of American cutaneous leishmaniasis in the state of Ceara, where an entomologic survey has been carried out to obtain information about transmission of the disease. From October 1989 through August 1991, natural infections with flagellates were detected in 34 of 3,000 Lutzomyia whitmani, five of 1,667 Lu. migonei, three of 5,278 Lu. wellcomei, one of 646 Lu. shannoni, and one of 21 Lu. evandroi. Thirty-five infections were peripylarian (i.e., behind the pylorus in the sand fly gut with a tendency to invade the midgut anterior to the pylorus). Fifteen infections (14 from Lu. whitmani and one from Lu. migonei) have been characterized as Leishmania (Viannia) braziliensis by isoenzyme electrophoresis, incriminating this species as a vector of the parasite in this area. Other possible vectors include Lu. wellcomei, Lu. migonei, and Lu. shannoni. Transmission appears to occur in peridomestic sites, especially around animal enclosures. Most cases of cutaneous leishmaniasis were recorded between September and December in Baturite during the period of study.
巴图里特是塞阿拉州美国皮肤利什曼病的一个重要地方性流行区，在那里已开展了一项昆虫学调查，以获取有关该疾病传播的信息。从1989年10月到1991年8月，在3000只白蛉属白蛉中的34只、1667只米氏白蛉中的5只、5278只韦氏白蛉中的3只、646只香农白蛉中的1只以及21只埃万德白蛉中的1只检测到鞭毛虫自然感染。35例感染位于围幽门部（即在白蛉肠道幽门后方，有侵入幽门前方中肠的倾向）。通过同工酶电泳，15例感染（14例来自白蛉属白蛉，1例来自米氏白蛉）被鉴定为巴西利什曼原虫（维氏亚属），认定该物种为该地区寄生虫的传播媒介。其他可能的传播媒介包括韦氏白蛉、米氏白蛉和香农白蛉。传播似乎发生在住宅周围区域，尤其是在动物围栏附近。在研究期间，巴图里特的大多数皮肤利什曼病病例记录在9月至12月之间。
