Any process that activates or increases the frequency, rate or extent of transformation of host cell by virus.
Synonyms:
exact_synonym:
positive regulation of viral transformation; positive regulation of viral transformation of host cell; up regulation of transformation of host cell by virus; up regulation of viral transformation; up regulation of viral transformation of host cell; upregulation of transformation of host cell by virus; upregulation of viral transformation; upregulation of viral transformation of host cell
narrow_synonym:
activation of transformation of host cell by virus; activation of viral transformation; activation of viral transformation of host cell