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Fig. 2 | BMC Veterinary Research

Fig. 2

From: Peptide enzyme‐linked immunosorbent assay (pELISA) as a possible alternative to the neutralization test for evaluating the immune response to IBV vaccine

Fig. 2

The correlation between the ELISA titer and neutralization titer for serum antibodies against IBV. Comparison of the titers measured by pELISA and a neutralization assay for chicken sera against CK/CH/2010/JT1 (a), CK/CH/2014/FJ14 (b). M41 (c), and the H52 attenuated vaccine (d). The ELISA titer means the maximum dilution of the serum sample with OD value greater than the pELISA’s cut-off. There were five serum samples evaluated at each time point, and each serum sample was independently tested three times

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