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

ZHU Lai-hua,ZHENG Xiao-long,XIAO Xi-zhi,DENG Ming-jun,XIN Xue-qian,YU Hong-guang,WEI Nai-lin(Shandong Entry-exit Inspection and Quarantine Bureau,Qingdao,Shandong,266002,China)

novel A/H1N1swine influenza;epidemic situation;trends;epidemiological change;control measures

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 birds.