MUTATION TO INCREASED VIRULENCE DURING CHRONIC INFECTION WITH SABIN LSC.2AB TYPE I POLIOVIRUS.
D003470:Culture Media; D030015:Enterovirus C, Human; D009154:Mutation; D017955:Poliovirus; D012106:Research; D046509:Tissue Culture Techniques; D014774:Virulence; D014776:Virus Cultivation
D003470:Culture Media
CULTURE MEDIA; EXPERIMENTAL LAB STUDY; MUTATION; POLIOVIRUS; TISSUE CULTURE; VIRULENCE; VIRUS CULTIVATION