微小隐孢子虫感染发生在世界各地的城市和农村人口中，通过水传播的暴发与在娱乐活动期间饮用受污染的饮用水和水有关。本文回顾了北美和英国报告的水传播疫情的流行病学和原因。作者从35起水传播疫情中获得了有关流行病学、水系统缺陷和水质的信息。包括86个参考文献和表格。

Cryptosporidium parvum infection occurs worldwide in urban and rural populations, and waterborne outbreaks have been associated with consumption of contaminated drinking water and water during recreational activities. This article reviews the epidemiology and causes of waterborne outbreaks that have been reported in North America and the United Kingdom. The authors obtained information about the epidemiology, water system deficiencies, and water quality from 35 waterborne outbreaks. Includes 86 references, tables.