Infectivity of a multiploid-forming mutant of western equine encephalitis virus.
D000818:Animals; D002642:Chick Embryo; D004667:Encephalitis Virus, Western Equine / Q000472:pathogenicity* / Q000528:radiation effects; D007700:Kinetics; D009154:Mutation; D011123:Polyploidy; D014466:Ultraviolet Rays; D010948:Viral Plaque Assay