[Virulence of tick-borne encephalitis virus in chicks].
D000818:Animals; D002645:Chickens; D004660:Encephalitis; D004669:Encephalitis Viruses, Tick-Borne; D004671:Encephalitis, Arbovirus; D014774:Virulence
ENCEPHALITIS, EPIDEMIC/experimental
Patogennost' virusa kleshchevogo entsefalita dlia tsypliat.