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The effect of varying the efficacy of antimalarial drug used ω s and the rate of development of resistance by the drug-sensitive merozoites Ψ1, on the density of infected erythrocytes (Y s, Y r). The value of ω s ranges from 0 to 1. The rest of the parameter values are available in Table 3. Figure (c) shows that in the absence of highly effective ACTs, drug-resistant parasite would take a longer time to eradicate.
