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. 2019 Mar 19;10:508. doi: 10.3389/fimmu.2019.00508

Figure 4.

Figure 4

Pre-existing serum titers at recall. The dot plots show the IgG titer against Aβ (A) and E2 (B) at day 273, the day before the recall dose, in mice that displayed memory or no memory against Aβ. Each dot represents a mouse of the SD group (circles), D7B group (triangles), D15B group (squares), D21B group (diamonds). There is no statistically significant difference between memory and no memory mice as regards the antibody titer against Aβ and E2.