单纯性急性呼吸道疾病是病毒感染引起的,其中比较有意义的是流感病毒、副流感病毒、腺病毒、呼吸道溶合病毒、鼻病毒等。流感病毒选择性地侵犯鼻腔粘膜,腺病毒选择性地作用于咽腔,副流感病毒多侵犯喉部和气管。大量研究证明呼吸道溶合病毒及最近才揭示的新病毒群 Simple acute respiratory disease caused by viral infection, of which more significant are influenza virus, parainfluenza virus, adenovirus, respiratory virus, rhinovirus and so on. Influenza virus selectively infiltrating the nasal mucosa, adenovirus selective role in the pharyngeal cavity, parainfluenza virus and more violations of the throat and trachea. Numerous studies have demonstrated that respiratory synovial viruses and recently discovered new ones