Effekten af Purevax RCP FeLV blev undersøgt i adskillige undersøgelser på laboratoriebetingelser, hvor katte blev vaccineret og inficeret med virulent herpesvirus, calicivirus, parvovirus eller leukæmivirus.
The effectiveness of Purevax RCP FeLV has been studied in several trials in laboratory conditions where cats were vaccinated and infected with virulent herpesvirus, calicivirus, parvovirus or leukaemia virus.