In South Sumatra, the G6PD activity of the six patients diagnosed with G6PD deficiency by FST ranged from 1.4 to 52% (S1 Data); their genotypes were Viangchan (3 hemizygotes), Orissa (1 hemizygote), Chatham (1 heterozygote) and Vanua Lava (1 heterozygote). Here, G6PD is linked to G6PD deficiency.