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Antibody binding end point titer (y-axis) of sera from eight CD1 mice immunized with TT–B. suis biovar 2 modified OPS conjugate evaluated against different antigens at four different time points on the x-axis (shown in days postimmunization [PI]). Central horizontal bar shows the mean titer. The range of titers tested was log10 2 to 4.5, except for the final bleed evaluation of the disaccharide 6.
