Purevax RCP FeLV is a vaccine containing the following active substances: • attenuated (weakened) feline rhinotracheitis herpesvirus (FHV F2 strain), • inactivated (killed) calicivirosis antigens (FCV 431 and G1 strains), • attenuated feline panleucopenia virus (PLI IV), • feline leukaemia virus (FeLV) recombinant canarypox virus (vCP97).