what is mean by vaccination
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A vaccine is a substance that helps protect against certain diseases. Vaccines contain a dead or weakened version of a microbe. It helps your immune system recognize and destroy the living microbe during a future infection. From: Doctor Talk: A Glossary of Flu Terms.
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vaccine is a substance that helps protect against certain diseases. Vaccines contain a dead or weakened version of a microbe. It helps your immune system recognize and destroy the living microbe during a future infection. From: Doctor Talk: A Glossary of Flu Terms
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