GSTM1 and anemia (phenotype): Hb > 6 g/dL and not symptomatic: Do a full blood count, iron studies and consider iron supplementation once acute infection is excluded.Hb < 6g/dL or symptomatic anaemia: consider transfusion. Packed Red Cells 10 mL/kg – 15 mL/kg over 4 h – 6 h.See Figure 1