Emergence of a Novel Porcine Reproductive and Respiratory Syndrome Virus 2 Strain Recombined from Two Modified Live Virus-like Strains and Its Pathogenicity for Piglets. - Pei, Yiwen; Gao, Xue; Feng, Shuo; Yang, Danjiao; Kang, Runmin; Yu, Jifeng; Liu, Jie; Qing, Yi; Zhang, Zhidong; Zhou, Long (Animals (2076-2615), 2026)