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Fig. 3 | Malaria Journal

Fig. 3

From: Identification of factors associated with residual malaria transmission using school-based serological surveys in settings pursuing elimination

Fig. 3

Epidemiology and local clustering of P. falciparum infection prevalence by RDT and PfAMA1 antibody (Ab) seroprevalence across the study area. A Spatial distribution of malaria infection prevalence, and B Spatial distribution of PfAMA1 Ab seroprevalence. Dark-maroon colored fokontany had higher prevalence and the optimal 5-classes by Jenks classification were used for both malaria infection by RDT and PfAMA1 Ab prevalence. The dark-red diamond represents the capital of Madagascar, Antananarivo. C Malaria infection prevalence clusters, and D PfAMA1 Ab seroprevalence clusters. “High-High” clusters represent fokontany with observed values matching with the weighted mean of each fokontany’s neighbours, which is high; “High-Low” clusters are those with abnormally observed high but expected low values; “Low–High” clusters are those with abnormally observed low but expected high values; and no deviance from the stationarity assumption are marked with “none”. These figures are supported by Additional file 1: Fig. S4 and Fig. S5, Additional file 2: Table S3 and Additional file 3: Table S4

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