The immune system refers to all of the cells, tissues, organs and processes that protect an organism from invasion by pathogens. Viruses, bacteria, parasites, and some toxins are some of pathogens that the immune system is involved in eliminating from the body.
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Articles relating to the study of the immune system, including medical specialties and techniques, as well as manipulations of the immune system (such as vaccination), can be found in Category:Immunology.
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This category may require frequent maintenance to avoid becoming too large. It should directly contain very few, if any, articles and should mainly contain subcategories.
This category has the following 8 subcategories, out of 8 total.
The following 185 pages are in this category, out of 185 total. This list may not reflect recent changes (learn more).