IFNG and malaria: Immigrants had lower concentrations of IFN-γ in an acute episode of malaria (median [IQR] of 12.1 [6.11; 32.88] pg/mL) and at day 7 of convalescence (7.97 [2.09: 23.78] pg/mL) compared to naïve adults with a first episode of malaria (584.535 [77.17; 1446.56] pg/mL, P<0.0001; and 23.23 [14.38; 259.39] pg/mL, respectively, P=0.0334).