The adaptation of two human coronavirus strains (OC38 and OC43) to growth in cell monolayers.
D000818:Animals; D046508:Culture Techniques; D003588:Cytopathogenic Effect, Viral; D000882:Haplorhini; D006801:Humans; D007668:Kidney; D008854:Microscopy, Electron; D012703:Serotyping; D014776:Virus Cultivation; D014780:Viruses / Q000254:growth & development*