STUDIES OF THE VIRULENCE OF  LANGAT VIRUS PROPAGATED IN CHICK EMBRYO OR HAMSTER KIDNEY TISSUE CULTURES.
D000818:Animals; D001102:Arbovirus Infections; D002642:Chick Embryo; D006224:Cricetinae; D004669:Encephalitis Viruses, Tick-Borne; D007668:Kidney; D051379:Mice; D012106:Research; D012107:Research Design; D046509:Tissue Culture Techniques; D014774:Virulence; D014776:Virus Cultivation
ARBOVIRUS INFECTIONS; CHICK EMBRYO; EXPERIMENTAL LAB STUDY; HAMSTERS; MICE; TISSUE CULTURE; VIRUS CULTIVATION