Efficacy of a porcine reproductive and respiratory syndrome virus 1 (PRRSV-1) natural recombinant against a heterologous PRRSV-1 isolate both clustered within the subgroup of BJEU06-1-like isolates

Chen Li, Shuai Li, Shubin Li, Ming Qiu, Lin Hong, Zhe Sun, Yuejia Qiu, Wenhao Qi, Binghui Feng, Jixiang Li, Wanglong Zheng, Xiuling Yu, Kegong Tian, Shaobin Shang, Kewei Fan, Jianzhong Zhu, Nanhua Chen