Fig. 2: Molecular markers of P. falciparum sulfadoxine-pyrimethamine (SP) resistance in Mozambique.

Frequency of P. falciparum isolates carrying triple mutations in pfdhfr (a), double mutations in pfdhps (b), and quintuple mutations in pfdhfr/phdhps (c) in 2015 and 2018 in seven provinces from Mozambique. For the pfdhps haplotype 436/437/540 (d), frequencies of the different allelic combinations are shown (n = 1365). Frequencies were calculated after excluding mixed genotypes. Data from Sofala was only available for 2015, and from Inhambane and Zambézia for 2018. The error bars represent a 95% confidence interval for the population proportion.