Viral pathogenesis and virulence.
D000818:Animals; D005761:Gastroenteritis, Transmissible, of Swine / Q000382:microbiology; D006801:Humans; D008459:Measles virus; D009103:Multiple Sclerosis / Q000382:microbiology; D012087:Reoviridae / Q000472:pathogenicity; D013552:Swine; D014774:Virulence; D014780:Viruses / Q000472:pathogenicity*