Method Clonorchis sinensis specific antibodies in blood samples were detected by ELISA.People were interviewed with structured questionnaire.

• 方法用血清免疫学筛查，采用酶联免疫吸附试验(ELISA)方法查抗体，同时进行问卷调查与华支睾吸虫感染相关的生活和行为方式。