Chen S, Chen S, Wu F, Chen S, Ke S, Chen S, Pan Z
Hubei Provincial Academy of Medical Sciences, Wuchang, Wuhan, People's Republic of China.
Southeast Asian J Trop Med Public Health. 1997;28 Suppl 1:51-3.
An epidemiological survey of clonorchiasis was conducted at Panqiao township of Yangxin County of Hubei Province from June to November, 1993. The positive rate of cercaria in the body of intermediate hosts, Parafossarulus stratulus and Alocinma longicornis was 12.25% and 3.84% respectively. Positive rates of metacercariae in the bodies of Pseudonaphona parva was 48.15%, Ctenopharyngodon idellus 17.24% and Hypophthalmichthys nobilis 18.18%. Positive rate of eggs in the feces of cats was 36.36% and pigs 16.67%. It has been confirmed that there is a natural focus of clonorchiasis sinensis at Yangxin County of Hubei Province. A total population of 6,865 in 20 sites of 10 production brigades of Panqiao township was surveyed for infection with Clonorchis sinensis. The average infection rate in the local residents was 5.80%. Male had a higher infection rate than female. The infected persons were mainly peasants and school girls and boys. Most of the infected persons had light infections (I0) without a serious clinical manifestations.
1993年6月至11月，在湖北省阳新县潘桥乡进行了华支睾吸虫病的流行病学调查。中间宿主纹沼螺和长角涵螺体内尾蚴的阳性率分别为12.25%和3.84%。小拟钉螺体内囊蚴的阳性率为48.15%，草鱼为17.24%，鳙鱼为18.18%。猫粪便中虫卵的阳性率为36.36%，猪为16.67%。已证实湖北省阳新县存在华支睾吸虫病自然疫源地。对潘桥乡10个生产大队20个地点的6865人进行了华支睾吸虫感染情况调查。当地居民的平均感染率为5.80%。男性感染率高于女性。感染者主要是农民和中小学生。大多数感染者为轻度感染（I0），无严重临床表现。
