Investigation on intermediate host infection of clonorchis sinensis in Huainan area

  Objective   To inspect the infection of intermediate host of C.sinensis in Huainan area.

  Methods   The direct compression was used to check the cercaria of C.sinensis in Spiral shell's.The direct comression and artificial digestion method were used to examine the encysted metacercaria of C.Sinensis in freshwater fishes.

  Results   The infection rate of Spiral shell's was 0.25%.The infection rate of freshwatwer fishes was 16.94%.The infection rate of freshwater shrimp was 5.83%.

  Conclusion   Encysted metacercaria of Clonorchis Sinensis could be checked in freshwater fishes in Huainan area, which indicated there had the danger of infect Clonorchiasis in the crowd of huainan area.