A T cell count is usually a blood test that actions the quantity of T cells, which are white blood cells that fight illness. It?�s often called a??An infection: This really is the most common cause of neutropenia in Older people. Viruses can affect your bone marrow and bring about https://chanceqmdqd.blogozz.com/30875156/getting-my-wbc247-sign-up-to-work