Evolution of H9N2 influenza viruses isolated in Shandong Province

Wang YL, Yuan XL, Xu HY, Zhang YX, Qin ZM. Identification and molecular characterization of a H9N2 isolate from a broiler flock in high antibody level against H9N2. Acta Agricult Boreali Sin, 2010, 25: 23–27

Zhang P, Tang Y, Liu X, Peng D, Liu W, Liu H, Lu S, Liu X. Characterization of H9N2 influenza viruses isolated from vaccinated flocks in an integrated broiler chicken operation in eastern China during a 5 year period (1998–2002). J Gen Virol, 2008, 89 (Pt 12): 3102–3112

Zhang P, Tang Y, Liu X, Liu W, Zhang X, Liu H, Peng D, Gao S, Wu Y, Zhang L, Lu S, Liu X. A Novel genotype H9N2 influenza virus possessing human H5N1 internal genomes has been circulating in poultry in eastern China since 1998. J Virol, 2009, 83: 8428–8438

Li C, Yu K, Tian G, Yu D, Liu L, Jing B, Ping J, Chen H. Evolution of H9N2 influenza viruses from domestic poultry in Mainland China. Virology, 2005, 340: 70–83

Lee YJ, Shin JY, Song MS, Lee YM, Choi JG, Lee EK, Jeong OM, Sung HW, Kim JH, Kwon YK, Kwon JH, Kim CJ, Webby RJ, Webster RG, Choi YK. Continuing evolution of H9 influenza viruses in Korean poultry. Virology, 2007, 359: 313–323