Six species of protozoa were detected with infection rate shown in parenthesis, i.e., Entamoeba histolytica (1.8%), Entamoeba coli (1.7%), Giardia lamblia (0.2%), Iodamoeba buetschlii (0.2%), Endolimax nana (0.2%), Entamoeba hartmanni (0.04%).

• 共查见原虫6种，其感染率分别为溶组织内阿米巴1.；8%25、结肠内阿米巴1