explain how does vaccine work for SHORT QUESTIONS AND ANSWERS
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vaccine generate memory B and T-cells that recognise the pathogens on subsequent exposure and produce an intense immune response.
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A vaccination is a small quantity of a damaged antigen, which is injected into an individual's body.
Explanation:
- A vaccination is a small quantity of a damaged antigen, which is injected into an individual's body. When the antigen enters a healthy person's body, his / her body synthesizes antibodies to the antigens.
- When the body comes across an infectious antigen, it creates a memory; and when that antigen re-enters the body, the body secretes a significant amount of antibodies to kill the antigen. This thereby stops sickness from arising.
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