Question

. What is vaccination? How is it helpful?
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Answer 1

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$\blue{♥}$A vaccine activates our immune system without making us sick. Many dangerous infectious diseases can be prevented in this simple and effective way. From birth, we are constantly exposed to many different viruses, bacteria and other microbes. Most are not harmful, many are beneficial but some can cause disease.

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Hope its help uhh :)

Answer 2

Answer:

Mark me brainliest

Explanation:

Special medicine used to make recover people is called vaccine