Lymphocyte % 70605040302 5 years 5 da Neutrophil 246810 23481014 days years 0 The two cross-over of neutrophils and lyphocytes during childhood2 4 6 8 10 1 2 3 4 8 10 14 7 0 6 0 5 0 4 0 3 0 2 0 1 0 % Lymphocyte Neutrophil 5 years 5 days days years The two cross-over of neutrophils and lyphocytes during childhood