BVDV hijacks the IDO1-dependent tryptophan–kynurenine axis to promote viral replication by limiting interferon–STAT1 antiviral signaling - Tian-yi Liu; Shan-shan Liu; Pei-long LI; Yong Zhou; Yu-xin Song; Wei-jia YAO; Ze-chen Zhang; Chong Zhao; Jiao LI; Lan-bo Tian; Nan LI; Yu Liu; et al. (Veterinary Microbiology, 2026)