“流感”一词,对于我们从来都不是很陌生。季节性流感、大流感、禽流感等词汇经常会成为新闻头条,人类与流感已经成为并存的“朋友”。继2009-H1N1流感大流行之后,2013年春天发生的H7N9禽流感感染人事件再次提醒人们,流感病毒可能给人类带来危害与灾难,同时也为流感相关科学研究提出了重要的科学命题:H7N9禽流感病毒的病原学特征如何,临床表现如何,如何实现跨种传播;同为高致病性禽流感病毒的H5N1的流行特征如何;另外,能为H7N9和H5N1禽流感病毒提 The word “flu” is never strange to us. Vocabularies such as seasonal flu, flu and bird flu often become headlines and humans and flu have become “friends”. Following the 2009-1 H1N1 pandemic, the H7N9 bird flu incident in the spring of 2013 once again reminds people that the influenza virus may cause harm and disaster to human beings as well as an important scientific proposition for influenza-related scientific research: H7N9 How and how to achieve cross-species transmission of the pathogenic features of the avian influenza virus? How are the epidemiological characteristics of H5N1, a highly pathogenic avian influenza virus? In addition, it can be used as a reference for H7N9 and H5N1 avian influenza virus