隐孢子虫是引起小儿腹泻的重要新病原。国内人体隐孢子虫病于1987年8月在南京发现。近来南方一些地区也陆续发现本病。我室于1989年初开始在鲁西收集腹泻病人粪便标本,至12月9日共检105人份,其中在济南市区总粪便标本23份中,检获1例隐孢子虫感染。病例介绍:患儿男,1岁8个月,济南市人。腹泻7d,每天排便5～6次,粪呈稀糊样,有时 Cryptosporidium is an important new cause of diarrhea in children. Domestic human cryptosporidiosis was discovered in Nanjing in August 1987. Recently, some areas in the South have also discovered the disease one after another. Our laboratory collected diarrhea stool specimens from Luxi in early 1989. A total of 105 swab samples were collected on December 9, of which 23 samples of total faecal specimens from Jinan City were collected. One case of cryptosporidiosis was seized. Case description: Children male, 1 year and 8 months, Jinan City. Diarrhea 7d, bowel movements 5 to 6 times a day, feces were thin paste-like, and sometimes