VARIATION IN THE PATHOGENICITY OF VIRUSES OF THE TICK-BORNE ENCEPHALITIS COMPLEX FOR DIFFERENT ANIMAL SPECIES. II. EVALUATION OF NEUROVIRULENCE FOR LAMBS AND PIGLETS AS A STRAIN MARKER.
D000818:Animals; D004668:Encephalitis Viruses; D004669:Encephalitis Viruses, Tick-Borne; D004675:Encephalitis, Tick-Borne; D012106:Research; D012756:Sheep; D034561:Sheep, Domestic; D013552:Swine; D014765:Viral Vaccines; D014774:Virulence; D014776:Virus Cultivation
D014765:Viral Vaccines
ENCEPHALITIS VIRUSES; ENCEPHALITIS VIRUSES, TICK-BORNE; EXPERIMENTAL LAB STUDY; SHEEP; SWINE; VIRULENCE; VIRUS CULTIVATION