Figure 2From: Comparison of surveillance methods applied to a situation of low malaria prevalence at rural sites in The Gambia and Guinea BissauContinuous increase of MSP-1 19 antibody sero-prevalence with age. A-C) For each site the sero-prevalence of anti-MSP-119 antibodies is shown according to age. Triangles represent the observed values, the continuous line shows the values predicted by the catalytic conversion model [17] with 95%Back to article page