G6PD and Alpha-thalassemia: VE did not differ as a function of age (p = 0.7); sex (p = 0.1); erythrocyte abnormalities (sickle cell trait, glucose 6-phosphate dehydrogenase deficiency (G6PD), or alpha-thalassemia; p = 0.7); presence of parasitaemia at baseline (p = 0.4); or anti-MSP-142 antibody level either at baseline (p = 0.1) or at day 85 (p = 0.3).