2003—2004年流感流行期间, H3N2、H1N1 等甲、乙型流感病毒同时在全球传播,其中 H3N2 流感病毒是流行毒株。更加引人注目的是,亚洲有几个国家报告 H5N1 流感病毒在家禽中的大范围暴发。在越南和泰国,H5N1 还报道人类感染并有死亡。本文概述2003—2004年全球流感疫情及 2004—2 During the epidemic of 2003-2004, Influenza A and B viruses such as H3N2 and H1N1 spread simultaneously throughout the world, of which the H3N2 influenza virus was a pandemic strain. Even more remarkable is the fact that several countries in Asia report a widespread outbreak of H5N1 influenza virus in poultry. In Vietnam and Thailand, H5N1 also reported human infection and death. This article provides an overview of the 2003-2004 global influenza outbreak and 2004-2