Figure 4.

Age specific seroprevalence plot of anti-MSP-1₁₉ antibodies. The vertical axis shows the proportion of seropositive individuals in each age group, the horizontal axis shows the midpoint age of each age group. Filled triangles represent the raw data; the lines represent the fitted equation with parameters λ = 0.026 and ρ = 0.026 and the 95% confidence interval.