Figure 3.

Antibody duration after 3 inoculations at 1, 2, 3, and 4 months. Note: ELISA results for antibody detection using Aβ1–16 as capture antigen at 20 μg/ml (50 μl/well), plasma were diluted at 1:2048 dilutions. There is no statistically significant reduction four months after vaccination. PWT = Wild type Aβ1–42, PFM = Aβ1–42 with Flemish mutation, PDM = Aβ1–42 with Dutch mutation, PFDM = Aβ1–42 with Flemish and Dutch mutation, P22W = Aβ1–42 with novel mutation at 22, P24M = Aβ1–42 with novel mutation at 24 amino acid.