It is a decrease in the number of leukocytes (white blood cells) found in the blood, which places individuals at increased risk of infection. It may be due to acute viral infections, myelofibrosis, radiation therapy
Related journals: Leukocytosis and Leukopenia, Journal of Blood Disorders & Transfusion, Journal of Blood & Lymph, Journal of Haematology & Thromboembolic Diseases, Journal of Blood Research & Hematologic Diseases