风疹、流感、腮腺炎、水痘等常见传染病的病原体主要通过飞沫、空气传播,因此,日常的空气洁净和消毒非常重要。下面介绍三种空气消毒法:一、自然换气法:幼儿的居室要经常开窗,通风换气。夏秋季,幼儿的活动室及卧室应整日开窗通风;冬春季,气温较低,室内外温差较大,仍应定时开窗通风换气。通风时间应视温差大小适当掌握。一般每次通风30分钟,即可降低室内微生物的密度,保持室内空气清新。此 Rubella, flu, mumps, chickenpox and other common infectious pathogens mainly through the droplets, airborne, so daily clean and disinfectant is very important. The following describes three kinds of air disinfection method: First, the natural ventilation method: Children’s room should often open the window, ventilation. Summer and autumn, children’s activity room and bedroom windows should be open all day ventilation; winter and spring, the temperature is low, large temperature difference between indoor and outdoor, ventilation should be regularly open the window. Ventilation time should be appropriate to grasp the size of the temperature difference. Generally ventilated for 30 minutes, you can reduce the density of indoor microorganisms to keep the indoor air fresh. this