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国外学者的研究材料证明,婴幼儿患呼吸道感染性疾病的最多(见表)。伤风、感冒、肺炎等已经成为婴幼儿健康的大敌。呼吸道感染性疾病主要由病毒引起的。刚出生的婴儿体温调节机能不完善,身体对外界温度变化的适应性差。最容易得病。即使是已经会独立行走的2—3岁的小孩,身体的抵抗力和适应能力也不很强。由于他们的生活发生急剧的变化,在街道上、在庭院里、在托儿所里,将与大人或年龄相仿的小朋友交往。在接触的
Research materials from foreign scholars have proved that infants and young children have the most respiratory diseases (see table). Cold, cold, pneumonia, etc. have become the enemy of infant health. Respiratory infections are caused mainly by viruses. Newborn baby body temperature regulating function is not perfect, the body’s adaptability to changes in the external temperature is poor. The most likely to get sick. Even 2-3-year-old children who already walk independently do not have very strong resistance and adaptability to the body. Due to their dramatic changes in their lives, they will interact with adults or children of similar ages on the streets, in the courtyard and in nurseries. In contact