淮河水系尾蚴性皮炎感染情况调查

Investigation on Cercarial Dermatitis Infection along Huaihe River System

目的 了解淮河水系淮南地区尾蚴性皮炎感染状况。方法 对淮河水系沿岸部分村镇居民采用横断面调查以确定尾蚴性皮炎的感染情况 ;现场采集耳萝卜螺用直接压片法分离尾蚴 ,并用其感染雏鸭 ,以被感染雏鸭分离虫卵、成虫。结果 淮河水系存在尾蚴性皮炎 ,人群感染率为 6 1 33% ,与性别、下水次数无关。病原为毛毕属吸虫尾蚴。中间宿主为耳萝卜螺 ,螺的尾蚴平均感染率为 0 2 1%。结论 淮河水系有尾蚴性皮炎流行 ,病原为毛毕属吸虫尾蚴。

Objective To know the infected situation of cercarial dermatitis along the banks of Huaihe river.Methods Making cross-sectional study among part of residents living in villages and small town along the banks of Huaihe river to decide infected situation.Cercarial were separated by direct press from Radix auricularia collected on the spot to infect ducklings.The eggs and imagoes were separated from infected ducklings.Results There was cercarial dermatitis along the banks of Huaihe River.The infectious rate of human was 61.33% and had no relation with sex and the number of touching water.The source of disease was cercarial of trichobilharzia.Intermediate host was Radix auricularia,average infectious rate was 0 21%.Conclusion Cercarial dermatitis was popular along the banks of Huaihe river,which was caused by the cercarial of trichobilharzia.