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glossary:vaccine [2012/10/16 14:40] (current)
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|+||A substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from weakened or killed forms of the microbe, (bactgeria or virus) its toxins or one of its surface proteins.|
|+||The agent stimulates the body's immune system to recognize the agent as foreign, destroy it, and "remember" it, so that the immune system can more easily recognize and destroy any of these microorganisms that it later encounters.|
|+||Vaccines can be prophylactic (example: to prevent or ameliorate the effects of a future infection by any natural or "wild" pathogen), or therapeutic.|
|+||The polio vaccines protects one from contgracting polio; small pox vaccine the same, etc.|