送交者: 刚柔 于 2009-09-29, 00:10:57:
回答: 历年的流感大半都是甲型H1N1。甲型H1N1是最常见的流感病毒 由 方舟子 于 2009-09-28, 23:14:14:
http://www.cdc.gov/h1n1flu/update.htm
Almost all of the influenza viruses identified so far are 2009 H1N1 influenza A viruses. These viruses remain similar to the viruses chosen for the 2009 H1N1 vaccine, and remain susceptible to the antiviral drugs oseltamivir and zanamivir with rare exception.