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. 2014 Aug 13;6(8):2424–2431. doi: 10.3390/toxins6082424

Figure 2.

Figure 2

Humoral measures correlate with memory B cell immunity 3–6 months after last vaccination. Plasma anti-PA IgG (A) and LT neutralization (B) was significantly correlated with PA-specific ASCs in early post-vaccination individuals. In addition, PA-specific ASCs and anti-PA IgG in culture supernatants were correlated in both early and late post-vaccination individuals (C). Each symbol represents a single early (open circles) or late (closed circles) post-vaccination individual. All correlations are analyzed by one-tailed Spearman’s correlation (* p < 0.05); linear regression lines were added for visualization for both early (dashed line) and late (full line) post vaccination individuals.