| In order to improve the efficiency of prevention and control of avian influenza, this paper collected and analyzed the occurrence status and characteristics of avian influenza in China during 2004-2014. The results showed that the numbers of avian influenza outbreak, poultry disease and culling decreased to zero year by year from 2004 to 2010, but rebounded slightly after 2010. Most of the avian influenza viruses were H5N1 which was known as highly pathogenic avian influenza. Numbers of avian influenza outbreak in west China were the most, Xinjiang, Guangdong and Xizang were the regions where avian influenza outbroke most frequently, danger of each avianinfluenza outbreak in Yunnan and Guizhou was greater. Chicken had the highest susceptibility. Most of the avianinfluenza occurred in the winter and early spring. The propagation path of avian influenza in a year started from the Southwest to the East, then to the South and then to the North and Central China. At last, relevant policy suggestionsto prevent and control avian influenza were put forward. |
