That H9N2 avian influenza viruses circulating in different regions gather in the same live-poultry market poses a potential threat to public health oleh Tengfei Liu, Shumin Xie, Zhiyi Yang, Aimin Zha, Yuting Shi, Lingyu Xu, Junhong Chen, Wenbao Qi, Wenbao Qi, Wenbao Qi, Ming Liao, Ming Liao, Ming Liao, Weixin Jia, Weixin Jia, Weixin Jia