Virkningen af Purevax RCPCh blev undersøgt i adskillige laboratorieundersøgelser, hvor katte blev vaccineret og inficeret med virulente herpesvirus, calicivirus, Chlamydophila felis eller parvovirus.
The effectiveness of Purevax RCPCh has been studied in several trials in laboratory conditions where cats were vaccinated and infected with virulent herpesvirus, calicivirus, C. felis or parvovirus.