Barriers to implementation include the perceived low risk of drug-induced haemolysis, low prioritisation of radical cure treatment because of the perception that vivax malaria is benign, additional costs and financing of implementation, lack of clear guidance on how to provide treatment to G6PD deficient patients, and concerns over additional workload for health staff [77,78,79]. The gene discussed is G6PD; the disease is Plasmodium vivax malaria.