Methods: The quantitative measurement was used for the intestinal flora in 39 infants with rotavirus enteritis diarrhea (compared with 30 healthy infants).

• 方法：选择腹泻组(39例轮状病毒肠炎患儿)和对照组(30例健康婴幼儿)，对他们的肠道菌群进行定量测定。