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. 2009 Oct 28;163(2):309–312. doi: 10.1016/j.jviromet.2009.10.015

Table 1.

Detection of antibodies to CCoVs in dog sera by ELISAs based on the recombinant polypeptide S′ and whole-virus antigen.

Serum samples Positivity to CCoV rS′ based ELISAa
 Whole CCoV ELISAb
ODc Mean ODc Mean
1 CCoV-IIb 0.145 0.152 0.195 0.199
2 CCoV-IIb 0.134 0.170
3 CCoV-IIb 0.126 0.201
4 CCoV-IIb 0.205 0.232



5 CCoV-IIa 0.035 0.031 0.228 0.219
6 CCoV-IIa 0.029 0.198
7 CCoV-IIa 0.033 0.184
8 CCoV-IIa 0.037 0.205
9 CCoV-IIa 0.029 0.236
10 CCoV-IIa 0.026 0.263



11–20 Negative 0.021 0.028
a

Cut-off value: 0.044.

b

Cut-off value: 0.040.

c

Optical density.