Method of chorioallantoic membrane inoculation which decreases nonspecific lesions.
D000818:Animals; D049033:Chorioallantoic Membrane; D005260:Female; D006801:Humans; D011247:Pregnancy; D014611:Vaccination; D014777:Virus Diseases; D015017:Yolk Sac
VIRUS DISEASES/experimental; YOLK SAC