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How do Vaccines Work?

User JohnJ
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2 Answers

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Vaccines are foreign antigens which are injected through blood steam to the body to force the body to make antibodies to prevent disease.
User Fantaghirocco
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Answer:

by mimicking disease agents and stimulating the immune system to build up defenses against them.

Step-by-step explanation:

User Jelle Geerts
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