title: Studies on the virulence of tick-borne encephalitis virus. X. Character of attenuated HY-HK28 "2" virus during propagation in monkey brain or ixodes ricinus ticks.
mesh_terms: D000818:Animals; D001179:Arthropod Vectors; D001921:Brain / Q000382:microbiology*; D002642:Chick Embryo; D004669:Encephalitis Viruses, Tick-Borne / Q000254:growth & development* / Q000302:isolation & purification / Q000472:pathogenicity*; D004675:Encephalitis, Tick-Borne / Q000382:microbiology*; D005827:Genetics, Microbial; D000882:Haplorhini; D007814:Larva; D008251:Macaca; D008297:Male; D008675:Metamorphosis, Biological; D051379:Mice; D013987:Ticks; D014774:Virulence; D014776:Virus Cultivation; D014779:Virus Replication