Duration of immunity in dogs after vaccination or naturally acquired infection

This paper reviews current scientific information about the duration of imm unity induced in dogs by infection or vaccination. it describes the shortco mings of the methods used to measure the immune responses of dogs, and expl ains the need for basic studies on the nature of protective humoral and cel lular responses, and standardised assays for the long-term duration of immu nity to pathogens other than rabies. The information is inadequate to warra nt uniform recommendations on the ideal intervals for vaccination; each vac cine must be evaluated on the basis of its own merits and the characteristi cs of the disease it is intended to guard against.