新型A型H1N1猪流感疫情动态及防控措施

The Latest Trends and Control Measures of Novel A/H1N1 Swine Influenza

2009年3月18日由墨西哥发端的人类大流行性甲型(A型)H1N1流感疫情迅速在全球蔓延,并已扩散到中国。新型A型H1N1流感突破种间屏障由人传染给猪、禽,并相继在北美、南美、大洋洲出现疫情。2009年4月21日,新型A型H1N1猪流感疫情首次在北美的加拿大发生;2009年6月24日,在南美的阿根廷发生猪流感疫情;2009年7月24日,远在大洋洲的澳大利亚也出现猪流感疫情;更糟糕的是在2009年7月23日,在南美紧邻阿根廷的智利的禽类(火鸡)首次发生A型流感疫情。此次新型A型H1N1流感疫情呈现大流行病学显著变化:①突破种间屏障由人传染给猪、禽;②突破地理屏障,在三大洲先后暴发规模不等、强度不一的多起疫情。因此,我国卫生主管部门、兽医主管部门和出入境检验检疫部门应高度戒备,密切关注,采取严格的生物安全措施,严防疫情疫病跨越国境,特别是防止新型A型H1N1流感疫情在人群、猪群、禽群之间相互传播,避免疫情在人类和动物进一步扩散。

The pandemic influenza A/H1N1 in human initiated in Mexico on March 18, 2009, has been spread worldwide in the globe and also to China. Novel A/H1N1 swine influenza has broken species barrier from human to swine and poultry, and caused successively outbreaks or epidemics in North America, South America, Oceania. The first outbreak of novel A/H1N1 swine influenza emerged in pigs in Canada of North America on April 21, 2009; and on June 24, 2009 in Argentina of South America; and as far away as in Australia of Oceania on July 24, 2009. Much wtrse the first case of novel A/H1N1 swine influenza arose in the bird （turkey） in Chile next to Argentina in South America on July 23, 2009. The epidemics present a significant change in epidemiology： ①Breakthrough of species barrier from human to swine and avian; ②Breakthrough of geographic barriers, outbreaks of the epidemic occurred in three continents in a various magnitude. Therefore, our health authorities, veterinary authorities and entry-exit inspection and quarantine bureaus should pay close attention in high alert to implement strict bio-security measures to prevent the epidemic from entering China, particularly to avoid the mutual transmission among people, pigs and girds.