2005年下半年以来,禽流感相继在亚洲、欧洲一些国家蔓延。世界各国对此高度警惕。鉴于人类对禽流感病毒普遍缺乏免疫力以及禽流感病毒本身的高变异性’世界卫生组织认为禽流感有可能成为对人来构成最潜在威胁的疾病。亚洲、欧洲等国家在2005年就制定了应对禽流感的举措,措施主要表现在一下几个方面: Since the second half of 2005, the bird flu has been spreading in Asia and some European countries one after another. All countries in the world are highly vigilant. In view of the general lack of human immunity to avian influenza virus and the high variability of the avian influenza virus itself, WHO believes the bird flu may become the most potentially dangerous to human beings. Asia, Europe and other countries in 2005 to develop a response to bird flu initiatives, measures mainly in the following areas: