2Capua I, Marangon S. Control of Avian Influenza in Poultry [J]. Ernerg Infect Dis,2006,12(9):1 319-1 324.
3Hulse-Post D J,Sturm-Ramirez K M,Humberd J, et al. Role of domestic ducks in the propagation and biological evolution of highly pathogenic H5N1 influenza viruses in Asia [J]. Proc Natl Acad Sci, 2005,102: 10682-10687.
4Webster R G,Peiris M,Chen H L,et al.H5N1 Outbreaks and Enzootic Influenza [J].Emerg Infect Dis, 2006,12 ( 1 ) : 3-9.
5Chen H,Smith G J D,Li K S,et al. Establishment of multiple sublineages of H5N1 influenza virus in Asia : Implications for pandemic control [ J ]. Proc Natl Acad Sci,2006,103(8) :2845-2850.
10Sturm-Ramirez K M,Hulse D J,Govorkova E,et al.Are ducks contributing to the endemicity of highly pathogenic HSN1 influenza virus in Asia? [J].J Virol, 2005,79 : 11269-11279.