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