Incapable of developing a normal immune response, usually as a result of disease, malnutrition, or immunosuppressive therapy
A chronically ill patient who is incapable of full and normal white blood cell and antibody defense against invading germs or other antigens
adj State of having the immune system impaired or weakened, as by drugs or illness
any condition in which the immune system functions in a abnormal or incomplete manner; such conditions are more frequent in the young, the elderly, and individuals undergoing extensive drug or radiation therapy
an abnormal condition in which one's ability to fight infection is decreased This can be due to a disease process, certain medications, or a condition present at birth