title: Pseudorabies virus with lost virulence for rabbits after intra-muscular inoculation, obtained from persistently infected cell cultures.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D002417:Cattle; D046508:Culture Techniques; D006564:Herpesviridae / Q000276:immunology / Q000472:pathogenicity; D009500:Neutralization Tests; D011817:Rabbits; D012756:Sheep; D013552:Swine; D014774:Virulence