Evolution of H9N2 influenza viruses isolated in Shandong Province

  title={Evolution of H9N2 influenza viruses isolated in Shandong Province},
  author={Wei Zhang and Huaiying Xu and Fang Meng and Xiuli Ma and Xia Liu and Dihai Huang and Zhuo-ming Qin and Jinhua Liu and Peng Zhao},
  journal={Science China Life Sciences},
The low-pathogenic avian influenza subtype of the H9N2 virus circulates in domestic poultry and wild birds throughout the world, causing severe morbidity and mortality in commercial chickens during coinfection with other pathogens , resulting in enormous losses. This kind of virus has been prevalent since the H9N2 virus was first identified in China in 1994… CONTINUE READING