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呼吸道感染是由病毒或细菌引起的呼吸道炎症。呼吸道疾病主要包括上呼吸道感染和下呼吸道感染,急性上呼吸道感染系指自鼻腔至喉部之间的急性炎症的总称,是最常见的感染性疾病,90%左右
Respiratory tract infections are respiratory inflammation caused by viruses or bacteria. Respiratory diseases mainly include upper respiratory tract infections and lower respiratory tract infections. Acute upper respiratory tract infection refers to the general term for acute inflammation from the nasal cavity to the throat. It is the most common infectious disease, about 90%