GSTM1 and anemia (phenotype): However, on the sixth day of hospitalization reappearance of the fever was registered (38.0 °C) and blood tests were performed on the eighth day showing an additional worsening of the anemia (Hb 7.2 g/dL), thrombocytosis (platelets 751,000/mm3), high WBCs (17,920/mm3) and an increase of C-RP (15.7 mg/dL).