本文选择我区发生肠道传染病的幼儿园或托儿所的班级为实验组,另选条件相仿未发病的班级作为对照。对班级桌面、椅子、盖被、垫被((?)子)、墙壁(80cm以下)、揩布、便器(蹲板)、厕所地面、畚箕、小朋友手等用规格板作消毒前后采样,采样管中含0.5%硫代硫酸钠,检测指标为大肠菌群定 This article selected my area of ​​intestinal infectious disease kindergarten or nursery classes for the experimental group, the other conditions are similar to the disease-free classes as a control. Sampling and sampling are performed before and after disinfection on the classroom tables, chairs, covers, cushions (?), Walls (80cm or less), 揩 cloth, toilet (squat board), toilet floor, dustpan, The tube contains 0.5% sodium thiosulfate, the detection index for coliforms Ding