A '''live attenuated vaccine''' may be incorporated in multivalent vaccines and this is the case in many yearly canine vaccines e.g. DHPPi. The vaccine will only reduce clinical signs rather than prevent infection, as immunity is very short lived. | A '''live attenuated vaccine''' may be incorporated in multivalent vaccines and this is the case in many yearly canine vaccines e.g. DHPPi. The vaccine will only reduce clinical signs rather than prevent infection, as immunity is very short lived. |