File:Immune response.jpg

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Description The time course of an immune response. Immune reactants, such as antibodies and effector T-cells, work to eliminate an infection, and their levels and activity rapidly increase following an encounter with an infectious agent, whether that agent is a pathogen or a vaccine. For several weeks these reactants remain in the serum and lymphatic tissues and provide protective immunity against reinfection by the same agent. During an early reinfection, few outward symptoms of illness are present, but the levels of immune reactants increase and are detectable in the blood and/or lymph. Following clearance of the infection, antibody level and effector T-cell activity gradually declines. Because immunological memory has developed, reinfection at later time points leads to a rapid increase in antibody production and effector T cell activity. These later infections can be mild or even inapparent.
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Source User created but based on [1].
Author DO11.10

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attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic, 2.0 Generic and 1.0 Generic license.
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Date/TimeThumbnailDimensionsUserComment
current02:27, 30 January 2007Thumbnail for version as of 02:27, 30 January 20071,136 × 704 (75 KB)DO11.10 (talk | contribs)
01:37, 30 January 2007Thumbnail for version as of 01:37, 30 January 20071,136 × 704 (75 KB)DO11.10 (talk | contribs)
01:29, 30 January 2007Thumbnail for version as of 01:29, 30 January 20071,136 × 702 (72 KB)DO11.10 (talk | contribs){{Information |Description= The time course of an immune response. Immune reactants, such as antibody levels and effector T-cell activity, rapidly increase following encounter with an infectious agent, and work to eliminate the infection. Protective immun

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