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问:什么是甲型H1N1流感?答:甲型H1N1流感是一种因甲型流感病毒引起的急性、人畜共患呼吸道传染性疾病。2009年3月,墨西哥和美国等先后发生甲型H1N1流感疫情的病毒,不同于以往在猪群中监测到
Q: What is Influenza A H1N1? A: Influenza A (H1N1) is an acute, zoonotic infectious disease caused by influenza A virus. In March 2009, viruses such as Mexico and the United States successively reported the outbreak of influenza A (H1N1). Different from the previous detection in swine herds