From: Two nanobody-based immunoassays to differentiate antibodies against genotype 1 and 2 porcine reproductive and respiratory syndrome virus
cELISA
Intra- or Inter-assay
CV % of 6 sera
Median value
g1-2- cELISA
Intra-assay
1.37–8.59
5.23
Inter-assay
2.01–9.79
6.15
g1- cELISA
0.23–2.19
1.78
1.12–7.67
4.92