Question

What is immunity. Write short notes on it.

Answer 1

Immunity is the ability of the body to defend itself from 'foreign bodies'. Vaccination builds on the natural immune system to make a person resist certain diseases. Immunity is of two types. Innate immunity protects the host against infection, but has no 'memory', and so gives no long-term immunity.

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Answer 2

Answer:

hloo...

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Immunity is the ability of the body to defend itself from 'foreign bodies'. ... Vaccination builds on the natural immune system to make a person resist certain diseases. Immunity is of two types. Innate immunity protects the host against infection, but has no 'memory', and so gives no long-term immunity....

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