Katavac Eclipse is a combination vaccine comprising one vial of a freeze-dried fraction containing live attenuated strains of feline rhinotracheitis virus strain 2112 (104.5 to 106.7 TCID50), feline calicivirus vaccine strain 2113 (105.5 to 107.7 TCID50) and feline panleucopenia virus strain E (105.0 to 106.5 HAID50) and one vial of Feline leukaemia virus (>1.0 RP) inactivated vaccine for veterinary use.