Factors underlying early cross-protection elicited by a lineage 1 branch porcine reproductive and respiratory syndrome virus live vaccine candidate - Chao Li; Jinhao Li; Bangjun Gong; Jiahao Shi; Xueli Zhang; Zhenyang Guo; Lirun Xiang; Siyu Zhang; Zixuan Feng; Haonan Kang; Yan-Dong Tang; Kuan Zhao; et al. (Veterinary Microbiology, 2026)