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