The Full Region of N-Terminal in Polymerase of IBDV Plays an Important Role in Viral Replication and Pathogenicity: Either Partial Region or Single Amino Acid V4I Substitution Does Not Completely Lead to the Virus Attenuation to Three-Yellow Chickens.
Viruses. 2021 Jan 14;13(1):107. doi: 10.3390/v13010107. Viruses. 2021. PMID: 33466596 Free PMC article.