IFNG and malaria: In Mali, the frequency of IL‐6 CG/GG was higher than in non‐Fulanis, who had increased malaria susceptibility, in symptomatic and asymptomatic malaria.[162, 163]IL‐18 is a potent proinflammatory cytokine that induces IFN‐γ production from Th1 cells, NK cells, and activated macrophages.