Pathogenicity, infective dose and altered gut microbiota in piglets infected with porcine deltacoronavirus

Jizong Li, Jinzhu Zhou, Shuqing Zhao, Rongli Guo, Chunyan Zhong, Tao Xue, Qi Peng, Baotai Zhang, Baochao Fan, Chuanmin Liu, Yanxiu Ni, Lili Ren, Xing Zhu, Bin Li