禽流感现已成为21世纪初级公共卫生的关注焦点,由于亚洲H5N1型禽流感的活动范围广、致病性强、易变性高,很可能成为下次大流行并造成数百万人丧生的人流感源。如何对这种新威胁做好准备,应成为全球公众健康的首先考虑问题。1禽流感的现况与大多数流行病不同,禽流感的出现为随机 Bird flu has now become the focus of primary public health in the 21st century. Because of its wide range of activities, strong pathogenicity and high volatility, the H5N1 bird flu in Asia is likely to become the next pandemic that will kill millions of people Flu source. How to be prepared for this new threat should be the number one consideration for global public health. 1 The current status of bird flu Unlike most epidemics, the emergence of the bird flu is random