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Identification of Cyclospora in Poultry

机译：家禽中环孢菌的鉴定

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To the Editor: Human infection with the parasitic protozoa, Cyclospora, was first described in 1979 (1), and the organism was only recently categorized as an important gastrointestinal parasite. A single species, Cyclospora cayetanensis, has been described in humans (2), while most species in the genus Cyclospora have been described only in reptiles and rodents (3). The consumption of undercooked meat and exposure to contaminated water have been considered possible sources of human infection with C. cayetanensis (1,4). Coccidia were detected in drinking water in Nepal (5), and the parasite was identified in an animal species (one duck in Peru, by Zerpa et al. [6]) different from those in which it was described earlier. To determine whether a domestic animal is either a host or a reservoir for C. cayetanensis, we first examined feces from cats, which are hosts and reservoirs of Toxoplasma gondii, a coccidia causing human illness, but got negative results. Because Cyclospora were recently phylogenetically linked to Eimeria mitis and E. tenella (7), coccidial parasites of chickens, we investigated the presence of Cyclospora in poultry.
机译：致编者：1979年首次描述了寄生虫原生动物环孢菌的人类感染（1），该生物直到最近才被归类为重要的胃肠道寄生虫。有人在人类中描述过一种单一的物种，即cayotanensis Cyclospora cayetanensis（2），而仅在爬行动物和啮齿类动物中描述了Cyclospora属的大多数物种（3）。食用未煮熟的肉和暴露于受污染的水已被认为可能是人类感染了C. cayetanensis的来源（1,4）。在尼泊尔的饮用水中检出了球菌（5），并在不同于先前描述的动物物种（秘鲁的一只鸭子，Zerpa等人[6]）中发现了这种寄生虫。为了确定家畜是否是Cayetanensis的宿主或宿主，我们首先检查了猫的粪便，它们是导致人类疾病的球菌弓形虫的宿主和宿主，但得到了阴性结果。由于最近将环孢菌素与鸡的球虫寄生虫艾美球虫和大肠杆菌E. tenella（7）进行了系统发育连接，因此我们调查了家禽中环孢菌素的存在。

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