Cryptosporidium species are apicomplexan parasites that mainly parasitize the gastrointestinal epithelium of a wide range of vertebrate hosts,including humans,and frequently cause diarrhea disease.

• 隐孢子虫是顶复门原虫,主要寄生于人或动物的消化道上皮并引起腹泻,是寄生虫学、环境微生物学研究热点之一。