1 Most of these diseases are infections, caused by a variety of bacteria, viruses, and parasites that can be foodborne. 2  Other diseases are poisonings, caused by harmful toxins or chemicals that have contaminated the food, for example, poisonous mushrooms.
(cluster designation 4) symbol for a glycoprotein expressed on the surface of helper T lymphocytes and other immune cells. CD4 serves as a receptor for human immunodeficiency virus envelope glycoprotein gp120.
Immunoglobulin (also called gamma globulin or immune globulin) is a substance made from human blood plasma. The plasma, processed from donated human blood, contains antibodies that protect the body against diseases. Protect your fetus if you are pregnant and at risk for Rh sensitization. 2  Decrease the immune system's ability to attack body tissues in some cases of autoimmune disease. 3  Help people who have an inherited problem making their own antibodies or those who are having treatment for certain types of cancer (such as leukemia).