LOSS IN VIRULENCE OF YELLOW FEVER VIRUS SERIALLY PASSED IN HELA CELLS.
D003588:Cytopathogenic Effect, Viral; D006367:HeLa Cells; D006801:Humans; D012106:Research; D046509:Tissue Culture Techniques; D014774:Virulence; D014776:Virus Cultivation; D015005:Yellow fever virus
CYTOPATHOGENIC EFFECT, VIRAL; EXPERIMENTAL LAB STUDY; HELA CELLS; TISSUE CULTURE; VIRULENCE; VIRUS CULTIVATION; YELLOW FEVER VIRUS