Gregory Jbara. Gregory Jbara (/dÊÉËbÉËrÉ/; born September 28, 1961) is an American film, television and stage actor, and singer.
A high white blood cell count, called leukocytosis, may result from a number of conditions and diseases. Some examples include: Infections, most commonly caused by bacteria and some viruses, less commonly by fungi or parasites.
Quick Answer. Diseases that cause low white blood cell counts include aplastic anemia, human immunodeficiency virus, leukemia and lupus, according to Mayo Clinic. Other causes include rheumatoid arthritis, Crohn's disease and infections such as tuberculosis, reports MedlinePlus.