甲型H1N1流感是由甲型H1N1流感病毒引起的急性呼吸道传染病。病毒主要通过气溶胶直接和间接接触在人际间传播,也可通过口腔、鼻腔、眼睛黏膜等接触感染者或其分泌物,以及被污染的环境等传播。人感染该病毒后会出现发热、咳嗽、疲劳及食欲缺乏等症状,但病死率较低。1病原学甲型H Influenza A (H1N1) is an acute respiratory infection caused by the Influenza A (H1N1) virus. Viruses are mainly transmitted through human beings directly or indirectly through aerosols. They can also be transmitted through the oral cavity, nasal cavity, mucous membranes of the eyes and other infected persons or their secretions, and contaminated environments. People infected with the virus will appear fever, cough, fatigue and loss of appetite and other symptoms, but lower mortality. 1 etiology type H