贾第虫病遍及全世界,据 WHO 估计世界各地感染率为1～20%。它已作为世界性分布最常见的肠道原虫病而引起重视。目前我国对本病的流行情况及病原学研究很少,特别是对包囊的形态学观察尚未见报告。为进一步加强对囊第虫病的预防措施,近年来,我们对囊第虫超微结构进行了研究。本文对其包囊的 Giardiasis is found all over the world and according to the WHO it is estimated that infection rates in the world range from 1 to 20%. It has attracted attention as the most common intestinal protozoal disease worldwide. At present, there are few studies about the prevalence and etiology of this disease in our country, especially the morphological observation of cysts. In order to further strengthen the preventive measures against cysticercosis, in recent years, we studied the ultrastructure of cysticercosis. This article encapsulates it