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| | Memorial Healthcare System Health Library |
 | | Systemic lupus erythematosus, also known as SLE, or, simply, lupus, is a disease that is characterized by periodic episodes of inflammation of and damage to the joints, tendons, other connective tissues, and organs, including the heart, lungs, blood vessels, brain, kidneys, and skin. |
 | | The purpose of the immune system is to keep infectious microorganisms, such as certain bacteria, viruses, and fungi, out of the body, and to destroy any infectious microorganisms that do invade the body. |
 | | The immune system is made up of a complex and vital network of cells and organs that protect the body from infection. |
| www.mhs.net /healthlibrary/content.aspx?pageid=P06709 (1130 words) |
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