title: Differences between two lines of chickens in the response to acute and mild strains of Marek's disease virus.
mesh_terms: D000818:Animals; D001769:Blood / Q000382:microbiology; D006564:Herpesviridae / Q000472:pathogenicity*; D006799:Housing, Animal; D008380:Marek Disease / Q000097:blood / Q000209:etiology* / Q000382:microbiology; D013045:Species Specificity; D013997:Time Factors; D014774:Virulence