隐孢子虫(gryptospondium)是近年来认识的一种引起人类肠炎的新的病原体。1987年12月至1988年3月间我们在门诊及住院病人中发现5例隐孢子虫肠炎患者,报道如下。5例患者的临床资料如下。国籍:例1～例5分别为美国、中国、澳大利亚、日本、日本。性别:均为男性。职业:例1～例4分别为工程师、工人、使馆工作人员、职员。年龄:前4例为23～40岁,例5为1岁。旅游史:除例2外,4例 Cryptosporidium (gryptospondium) is a new pathogen known to cause human enteritis in recent years. From December 1987 to March 1988 we found 5 patients with cryptosporidiosis in outpatients and inpatients, reported below. The clinical data of 5 patients are as follows. Nationality: Example 1 to Example 5, respectively, the United States, China, Australia, Japan, Japan. Gender: Both men. Occupation: Example 1 to Example 4 are engineers, workers, embassy staff, staff. Age: The first 4 cases were 23 to 40 years old, and the case 5 was 1 year old. Travel History: In addition to cases 2, 4 cases