Fig. 1From: Malaria chemoprevention and drug resistance: a review of the literature and policy implicationsGlobal map of the prevalence of sulfadoxine-pyrimethamine resistance marker dihydrofolate reductase A581G. Data are from published sources and available at http://wwwarn.org/dhfr-dhps-surveyor/#0 (accessed 12 April 2021)Back to article page