进入冬季后,寒冷的气候使人们更多地在室内生活。为了保暖,写字楼、家庭、学校教室和其他公共场所经常处于密闭状态,室内空气不断受到污染。各种病毒和细菌的传播使呼吸系统疾病的发病率明显增加。常见的冬季呼吸系统疾病包括普通感冒、流行性感冒、急性病毒性上呼吸道感染、肺部感染等。 After entering the winter, the cold climate so that people living more indoors. In order to keep warm, offices, homes, school classrooms and other public places are often closed, indoor air is constantly polluted. The spread of various viruses and bacteria causes a significant increase in the incidence of respiratory diseases. Common winter respiratory diseases include common cold, influenza, acute viral upper respiratory tract infection, lung infection and the like.