Table 3.

Rabies antibody titers for vaccine-naïve dogs with pre-vaccination RFFIT titer >0.05 IU/mL and matched controls (pre-vaccination RFFIT <0.05 IU/mL), before and after primary rabies vaccination

	Pre-Rabies Vaccination						Post-Rabies Vaccination
	Groupa	RFFIT Titer	IU/mL	RFFIT Interpretation	ELISAb	ELISA Interpretation	RFFIT Titer	IU/mL	Interpretation
Pre-Vaccination rVNA	PI	1:25	0.18	Positive	38%	Negative	1:1400	10	Positive
	PE	1:56	0.45	Positive	99%	Positive	1:1300	10	Positive
	PP	1:33	0.24	Positive	88%	Positive	1:200	1.5	Positive
	PP	1:7	0.052	Positive	78%	Positive	1:250	1.8	Positive
	PI	1:180	1.3	Positive	75%	Positive	1:22652	170	Positive
	O	1:29	0.21	Positive	13%	Negative	1:1100	8.1	Positive
	PI	1:7	0.052	Positive	10%	Negative	1:1400	10	Positive
	O	1:250	1.8	Positive	89%	Positive	1:65	0.48	Positive
	PE	1:11	0.081	Positive	80%	Positive	1:270	2	Positive
	PI	1:54	0.43	Positive	77%	Positive	Not available for follow-up
Controls	O	<1:5	<0.04	Negative	11%	Negative	1:900	6.7	Positive
	O	<1:5	<0.04	Negative	1%	Negative	<1:5	<0.04	Negative
	O	<1:5	<0.04	Negative	12%	Negative	<1:5	<0.04	Negative
	PE	<1:5	<0.04	Negative	−8%	Negative	1:85	0.63	Positive
	PE	<1:5	<0.04	Negative	20%	Negative	1:3125	23	Positive
	PP	<1:5	<0.04	Negative	3%	Negative	1:50	0.36	Positive
	PP	<1:5	<0.04	Negative	−7%	Negative	1:625	4.6	Positive
	PP	<1:5	<0.04	Negative	−17%	Negative	1:1000	7.4	Positive
	PP	<1:5	<0.04	Negative	−2%	Negative	1:1300	9.6	Positive
	PI	<1:5	<0.04	Negative	8%	Negative	1:95	0.7	Positive

^aVaccine received: PI, parenteral improperly-stored; PE, parenteral expired; PP, parenteral properly-stored; O, oral.

^bELISA values represent percent blocking (positive >40% blocking).