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目的了解广州北郊新丰县并殖吸虫自然流行分布状况。方法在调查点山溪中捕捉溪蟹,解剖查找并殖吸虫囊蚴。用检获囊蚴饲喂人工感染家猫,检查感染家猫粪便找虫卵,解剖人工感染虫卵检查阳性家猫,查找并殖吸虫成虫。结果蟹体斯氏狸殖吸虫囊蚴感染率:61.40%(35/57)。感染度:2.23个囊蚴/只蟹,0.44个囊蚴/克蟹。蟹种为平远南海溪蟹。解剖两只人工感染阳性猫检获卫氏并殖吸虫成虫12条。结论广州北郊新丰县斯氏狸殖吸虫中度自然疫源地(Ⅲ级)。斯氏狸殖吸虫是我国主要致病并殖吸虫,该疫源地存在是一个潜在公共卫生危害地,必须引起高度重视。
Objective To understand the natural distribution of Paragonimus in Xinfeng County, northern suburb of Guangzhou. Methods The creek crabs were caught in the surveyed mountain stream and dissected to find the metacercariae. Feeding metacercariae was used to infect human cats by hand, and the stools of infected cats were examined to find the eggs. Anatomy of artificial infected eggs to check for positive domestic cats was carried out to find the adult parasite. Results Crab genitalia genus metacercaria infection rate: 61.40% (35/57). Infection: 2.23 metacercaria / crab, 0.44 cercarial / g crab. Crab species are far away from the South China Sea crabs. Anatomy of two cats infected with Artificial Parasitoid Parasitoid Cloned 12 adult cats. CONCLUSIONS: Moderately natural foci of Schia genitalia in Xinfeng County, northern suburb of Guangzhou (Grade Ⅲ). The genus Trichogramma is the major paragonimiasis in China. The existence of the epidemic is a potential public health hazard and must be given high priority.