The invasion of the chick embryo by ectromelia virus after inoculation on the chorioallantoic membrane.
D000818:Animals; D002642:Chick Embryo; D049033:Chorioallantoic Membrane; D004481:Ectromelia virus; D004482:Ectromelia, Infectious; D006801:Humans; D051379:Mice; D014777:Virus Diseases
VIRUS DISEASES/experimental