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A vaccine stimulates the immune system to respond against specific nonself molecules. When you are exposed to a virus an effective response is made....

A Vaccine can prevent or ameliorate the effects of infection by a bacteria.

vaccination is generally considered to be the most effective and worthwhile methods of preventing Infectious Diseases.

vaccination is the power antigentic material to produce immuntity to a disease.

by awesomeness yr2012
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13y ago

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