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(C) The principle of vaccination is based on the property of 'memory' of the immune system.When a vaccine is introduced into the body,it mimics an inf

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Memory

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(C) The principle of vaccination is based on the property of 'memory' of the immune system.When a vaccine is introduced into the body,it mimics an infection by presenting antigens to the immune system.The immune system recognizes these antigens and mounts a primary immune response,which leads to the production of memory $B$ and $T$ lymphocytes.These memory cells remain in the body for a long time.If the body is exposed to the actual pathogen in the future,these memory cells recognize the pathogen immediately and produce a massive secondary immune response,neutralizing the pathogen before it can cause disease.

The principle of vaccination is based on which property of the immune system?

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