Table 1.

Detection of antibodies to CCoVs in dog sera by an ELISA test with the recombinant polypeptides S66 and S55 and by virus neutralization test

Dogs	Positivity to CCoV	ELISAa				VN
		S66	Median value	S55	Median value
1	Type II	0.041	0.034	0.021	0.028	1:32
2	Type II	0.036		0.031		1:32
3	Type II	0.032		0.025		1:16
4	Type II	0.030		0.038		1:32
5	Type I	0.065	0.073	0.083	0.076	<1:2
6	Type I	0.068		0.080		<1:2
7	Type I	0.078		0.072		<1:2
8	Type I	0.080		0.070		<1:2
9–18	Negative		0.016		0.009	<1:2

^aCut-off values: 0.024 (S66), 0.033 (S55).