Fig. 1From: Markers of sulfadoxine–pyrimethamine resistance in Eastern Democratic Republic of Congo; implications for malaria chemopreventionThe prevalence of SP resistance markers. The prevalence of SP resistance markers in each of the 25 districts of the DRC 2013–2014 (redrawn from [25]). Administrative districts are shaded according to the prevalence of mutations. a The ‘dhfr triple’ containing N51I,C59R and S108N. b The dhps K540E. c The dhps A581G. SP sulphadoxine–pyrimethamine, dhfr dihydrofolate reductase, dhps dihydropteroate synthaseBack to article page