The infection and growth of ectromelia virus in the chorioallantoic membrane of the developing hen's egg.
D000818:Animals; D001686:Biological Phenomena; D002645:Chickens; D049033:Chorioallantoic Membrane; D004481:Ectromelia virus; D004482:Ectromelia, Infectious; D004531:Eggs; D005260:Female; D006801:Humans; D051379:Mice; D014780:Viruses / Q000208:ethnology*
VIRUSES/culture