The high G6PD deficiency prevalence and low G6PD enzyme activities of the most common G6PD variants have impeded P. vivax radical cure implementation.36 37 However, the reasonable caution that healthcare providers have towards prescribing 8-aminoquinolines may also explain the high adherence to G6PD testing and appropriate prescribing in this study. This evidence concerns the gene G6PD and G6PD deficiency.