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Correlation of maximum fold change before 90-day challenge relative to diarrhea volume following cholera challenge. Shown are the vaccinee maximum (max) fold changes for anti-TcpA IgG (A), anti-TcpA IgA (B), and anti-CtxB IgG (C) antibodies before 90-day challenge relative to cumulative diarrhea volume following 90-day challenge. The line represents a linear regression with R2 and P values for normalized data.
