G6PD and malaria: Furthermore, for any malaria-related studies, it is important to collect alongside the GYP variants, other key genetic information such as sickle (rs334) which is present throughout Africa,34 HbC (rs33930165; present in Ghana and other West African Countries),35 and G6PD,36 as these may act as confounders in studies examining associations with susceptibility to malaria or effects on malaria parasite invasion and growth.