中文摘要：

2009年3月在美国和墨西哥流感样患者的呼吸道标本中鉴定出新的猪源性甲型H1N1流感病毒。该病毒可人一人传播，已蔓延到172个国家和地区。现就猪源性甲型H1N1流感病毒的鉴定、基因组结构特征做一综述。

英文摘要：

A novel swine-origin influenza A （H1 N1 ） virus （S-OIV） was identified from respiratory tract speeimens of patients with influenza-like symptoms on March 2009 in the USA and Mexico. The virus was contagious, spreading easily from one person to another and has been reported in 172 countries and regions. The available information about the characteristics and genomie structures of S-OIV was collected and reviewed.