隐孢子虫为一种人兽共患的寄生虫,广泛寄生于牛、羊、马、猪等哺乳动物,以及鸟类和爬行类动物。寄生于人体的虫种主要是微小隐孢子虫,可引起临床表现为腹泻和腹痛为主的隐孢子虫病[1]。目前隐孢子虫病已被列为引起人类最常见的6种腹泻疾病之一,并被世界卫生组织(WHO)和美国疾病预防控制中心列入新发传染病[2-3]。为了解北京市昌平区农村地区儿童隐孢子虫感染情况、主要临床表现以及可能的 Cryptosporidium is a zoonotic parasites, widely parasitic on cattle, sheep, horses, pigs and other mammals, as well as birds and reptiles. Parasitic parasites in the human body is mainly a small Cryptosporidium, can cause clinical manifestations of diarrhea and abdominal pain-based cryptosporidiosis [1]. Cryptosporidiosis has been listed as one of the 6 most common diarrheal diseases in humans and is listed as a newly emerging infectious disease by the World Health Organization (WHO) and the US Centers for Disease Control and Prevention [2-3]. To understand the prevalence of cryptosporidium parvum infection in rural areas of Changping District, Beijing, the main clinical manifestations and possible