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. 2013 Jul 23;11:11. doi: 10.1186/1478-7954-11-11

Figure 2.

Figure 2

P. falciparum malaria prevalence in Africa and the effects on metrics of accounting for subnational age structure. (a) Predicted prevalence classes for P. falciparum malaria in Africa [5]. (b) The absolute percentage changes in estimated numbers of children under 5 years old residing under the three prevalence classes through changing from using UN national proportions [27] to produce per grid cell estimates of numbers under 5 years to using the subnational proportion data assembled here (Additional file 1: Protocol S1). (c) The changes in estimated numbers of children under 5 years old residing under the three prevalence classes through changing from using UN national proportions [27] to produce per grid cell estimates of numbers under 5 years to using the subnational proportion data assembled here (Additional file 1: Protocol S1). In (b) and (c), data values are only plotted when a transmission class encompasses >10% of the population of a country.