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How does a vaccine help in preventing a specific disease?

Asked by Topperlearning User 29th September 2016, 2:14 PM
Answered by Expert
Answer:

Vaccines create immunity which protects us from an infection caused by a disease. This allows the body to recognise and fight the vaccine-preventable disease in the future if a person comes into contact with it.

Answered by Expert 29th September 2016, 4:14 PM
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