The serological relationship between vaccinia and ectromelia viruses.
D000818:Animals; D003141:Communicable Diseases; D004480:Ectromelia; D004481:Ectromelia virus; D004482:Ectromelia, Infectious; D006801:Humans; D051379:Mice; D012899:Smallpox; D014611:Vaccination; D014615:Vaccinia; D014616:Vaccinia virus
ECTROMELIA, INFECTIOUS; SMALLPOX/vaccination