Aim: To investigate epidemic cases of Clonorchiasis in the eastern area of Heilongjiang province in order to provide the basis for effective preventation measure.

• 目的:了解黑龙江省东部华支睾吸虫病流行情况,为制定有效的防治措施提供依据。方法:采用病原学和免疫学检查方法,分片调查人群及中间宿主、保虫宿主的感染情况。