INTERFERENCE WITH THE GROWTH OF VACCINIA VIRUS BY AN ATTENUATED MUTANT VIRUS.
D002642:Chick Embryo; D007372:Interferons; D009154:Mutation; D012106:Research; D012107:Research Design; D046509:Tissue Culture Techniques; D014466:Ultraviolet Rays; D014616:Vaccinia virus; D014776:Virus Cultivation
D007372:Interferons
CHICK EMBRYO; EXPERIMENTAL LAB STUDY; INTERFERON; MUTATION; TISSUE CULTURE; ULTRAVIOLET RAYS; VACCINIA VIRUS; VIRUS CULTIVATION