ATP2B4 and G6PD deficiency: Although consistent evidence has been found for protective effects against severe malaria by G6PD deficiency, blood group O, the rs4951074 allele in ATP2B4 and α+-thalassaemia in numerous previous studies (Malaria Genomic Epidemiology Network, 2014; Taylor et al., 2012), none of these polymorphisms had any significant impacts on any of the outcomes under investigation in this study.