Pathogenicity of tick-borne encephalitis virus for the chicken embryo. 3. Titration of infectious activity of virus and of specific neutralization antibodies in chicken embryos.
D000818:Animals; D000917:Antibody Formation; D002642:Chick Embryo; D003588:Cytopathogenic Effect, Viral; D004669:Encephalitis Viruses, Tick-Borne / Q000276:immunology / Q000472:pathogenicity*; D051379:Mice; D009500:Neutralization Tests; D014776:Virus Cultivation