Is low neutrophils in my baby leukemia

Baby neutrophils low, not necessarily leukemia, neutrophils is a kind of white blood cells, mainly derived from bone marrow hematopoietic stem cells, after bone marrow differentiation mature, into the blood system and tissue, with division and selective phagocytosis. In the blood non-specific cellular immunity plays an important role. Leukemia can cause neutropenia, but in addition to leukemia, typhoid fever, paratyphoid fever, aplastic anemia can also cause neutropenia.