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Figure 8 | Veterinary Research

Figure 8

From: Evaluation of biological safety in vitro and immunogenicity in vivo of recombinant Escherichia coli Shiga toxoids as candidate vaccines in cattle

Figure 8

Detection of Stx1 and Stx2 neutralizing antibodies (nAb) in sera from two calves vaccinated with rStx1 mut and rStx2 mut . Results from the Vero cell neutralization assay (VNA). Dashed line indicates the detection limit. Calves were vaccinated on days 0 and 21 of the trial. A titre of 30 was attributed to all those samples that gave negative test results in the highest concentration tested.

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