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急性上呼吸道感染是鼻腔、咽或喉部急性炎症的概称。是呼吸道最常见的一种传染病。常年发病根源为病毒引起,也可由少数细菌引起,它可通过含病毒的飞沫或被污染的用具(如公用电话)传播,因冬春季节气候变化大而流行。当人在受冻、淋雨、过度疲劳等诱发因素下,全身或呼吸道局部防御功能降低时,原存于上呼吸道或从外界
Acute upper respiratory tract infection is the general term for acute inflammation of the nose, throat or larynx. It is the most common infectious disease of the respiratory tract. Perennial causes of the virus caused by, but also caused by a small number of bacteria, it can be through the virus droplets or contaminated appliances (such as public telephone) spread due to large climatic changes in winter and spring epidemic. When people in the cold, rain, fatigue and other triggers, systemic or respiratory local defense function decreased, the original existence in the upper respiratory tract or from the outside world