HIV infection on its own suppresses the bone marrow and leads to decreased levels of granulocyte colony-stimulating factor, and also affects the granulocyte-macrophage lineage, thus resulting in leukopenia and neutropenia.[19] The findings of the current study revealed comparable neutrophil, monocyte, lymphocyte and platelet counts with the control group thus, indicating the efficacy of `the current HAART regimen. The gene discussed is CSF3; the disease is neutropenia.