What is vaccine? How does it help the body to fight against disease?
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Vaccines greatly reduce the risk of infection by working with the body's natural defenses to safely develop immunity to disease. This fact sheet explains how the body fights infection and how vaccines work to protect people by producing immunity. antibodies.
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vaccine is the solution of dead and weakend particular micro organisms and our body kill these weak organisms and formed antibodies aganist to the particular organisms and help the body to fight with that particular micro organisms
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