Protection against genotype VII Newcastle disease virus by a mucosal subunit vaccination based on bacterium-like particles bearing the F or HN antigen

Jianzhong Wang, Qi-Guan Lan, Xianchun Zong, Guangmei Zhu, Rui Yang, Guilian Yang, Yanlong Jiang, Wentao Yang, Haibin Huang, Chunwei Shi, Yan Zeng, Nan Wang, Xin Cao, Chunfeng Wang