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冬春相交,冷热多变,且昼夜温差大,身体虚弱的人体温调节能力差,如果没有及时增减衣服,就容易感冒。感冒俗称伤风,医学上称为急性鼻炎或上呼吸道感染,主要特征是病原体复杂多样,多种病毒、支原体和少数细菌都可以引起感冒,每次发病可以由不同的病原引起,一个人在一年中可多次患感冒。预防流感的方法经常保持室内通风是预防流感最
Winter and spring intersect, hot and cold, and the temperature difference between day and night, weak body temperature regulation ability is poor, if not change clothes in time, it is easy to catch a cold. Commonly known as colds cold, medically known as acute rhinitis or upper respiratory tract infection, the main feature is the complex and diverse pathogens, a variety of viruses, mycoplasma and a few bacteria can cause a cold, each disease can be caused by a different pathogen, a person in a year In many cases may have a cold. Methods to prevent influenza often keep the room ventilated to prevent the most influenza