Attenuated feline rhinotracheitis herpesvirus (FVH F2 strain): at least 4.9 log 10 CCID50 per dose Inactivated feline Calicivirosis antigens (FCV 431 and FCV G1 strains): at least 2.0 ELISA U per dose Attenuated feline Chlamydophila felis (905 strain): at least 3.0 log 10 EID50 per dose