1.Influenza virus spread rapid via aerial droplets and fomites with inhalation into the pharynx or lower respiratory tract.
流感病毒经飞沫和其它污物吸或下呼吸道而快速传播。
2.The necrotic epithelium becomes embedded in exuding fibrin and red and white cells,so that a grayish pseudomembrane is formed-commonly over the tonsils,pharynx or larynx.