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Infections and autoimmunity
Digital, 3D rendition of a virus.
An infection is the colonization of a host organism by parasite species. Infecting parasites seek to use the host's resources to reproduce, often resulting in disease.
Autoimmune diseases arise from an overactive immune response of the body against substances and tissues normally present in the body. In other words, the body actually attacks its own cells. The immune system mistakes some part of the body as a pathogen and attacks it.
Please see the left-hand menu for specific conditions.
Page last edited: 03 June 2011