Objective: The research investigated how many Cryptosporidium cysts and Giardia oocysts were in drinking-water in Chengdu.

• 摘要目的：对成都市水厂水源水、过程水和城市管网水中贾第鞭毛虫和隐孢子虫污染状况进行预调查，检测其含量。