province (1) mutant (1) animal (1) infectious disease (1) infection (1) analysis (1) amino acid (1) genetic variation (1) gene (1) farm (1) dose (1) disease (1) comparison (1) method (1) alignment (1) China (1) Deletion (1) Comparison (1) Identification (1) Viruses--Isolation (1) Swine (1) Rabbits (1) Aujeszky's disease virus (1) Aujeszky's disease (1) Lungs (1) Kidneys (1) Infection (1) Identification (1) Farms (1) Examinations (1)