隐孢子虫性肠炎是由隐孢子虫引起的一种寄生虫病。在发达国家该虫已列为腹泻病的必查项目。为了解隐孢子虫感染的家庭集聚情况，我们对３２例隐孢子虫性肠炎患儿家庭进行了家系调查，现报道如下。１家系调查１９８９年４月～１９９９年５月．对确诊的３２例隐孢子虫性肠炎患儿 Cryptosporidiosis is a parasitic disease caused by Cryptosporidium. In developed countries the worm has been listed as a diarrheal disease will check the project. In order to understand the family agglomeration of cryptosporidiosis, we conducted a pedigree survey of 32 families of children with cryptococcal enteritis and are reported as follows. 1 pedigree investigation 1989 April to 1999 May. Of the 32 patients diagnosed with cryptococcal enteritis