That is a $50 price cut for the PS4, which currently retails at $399. A contest hints at a PS4 price drop. In a screenshot we see the PS4 Approximate Retail Value (ARV) listed as $349. This value is typically the retail price of the device that a customer will pay in-store without any discounts.
Diseases of the White Blood Cells. 1  Neutropenia (pronounced: new-truh-PEE-nee-uh) occurs when there aren't enough of a certain type of white blood cell to protect the body against bacterial infections. 2  Human immunodeficiency virus (HIV) attacks certain types of white blood cells (lymphocytes) that work to fight infection.
In a normal, healthy body, this is exactly what happens. When a person has leukemia, however, abnormal blood cells are created in the bone marrow, and as is most common with leukemia, abnormal white blood cells are created (leukemia literally translates to âwhite bloodâ). White blood cells are the cells that are responsible for fighting infection in the body.