Genomic characterization and tissue tropism variations of two porcine delta coronavirus strains isolated in China - Hu, Guangli; Huang, Yihui; Chen, Zexin; Geng, Rui; Zhao, Zhiqing; Peng, Ouyang; Zou, Chuangchao; Shen, Hanqin; Cao, Yongchang; Zhang, Hao (Frontiers in Cellular and Infection Microbiology, 2024)