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P. vivax age-seroprevalence plots and total number of P. vivax microscopy infections per health facility. Solid lines represent the fitted probability for being seropositive to either of the five P. vivax antigens. Dashed lines represent the 95% confidence interval of these fits and red triangles represent the observed proportion of seropositive per age decile. SCR value represents the average annual rate at which the population become seropositive to any of the P. vivax antigen
