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If the body is exposed to an antigen and contracts and then the body gets immunity for that disease, what is this immunity called? Which cells are responsible for this?

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Question

If the body is exposed to an antigen and contracts and then the body gets immunity for that disease, what is this immunity called? Which cells are responsible for this?

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Solution

Active immunity. It is due to memory cells (T- and B-memory cells) which give a rapid secondary immune response on re-exposure.

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Chapter 10: Human Health and Diseases - EXERCISES [Page 610]

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Sarita Aggarwal Biology [English] Class 12 ISC
Chapter 10 Human Health and Diseases
EXERCISES | Q I. 25. | Page 610
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