A boy of ten years had chicken-pox. He is not expected to have the same disease for the rest of his life. Mention how it is possible.
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Becoz It's is temporary Disease...... It'll get off time to time.....
And it can happen second time too, but in very rare case....
And it can happen second time too, but in very rare case....
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Answer:
- When a ten-year-old boy is infected with chicken pox, the response produced is primary response which is of low intensity.
- It is characterised by memory.
- Memory B and T-cells are stored in the lymph nodes and spleen.
- When the same pathogen again enters a highly intensified secondary response is produced.
- Immediately the memory B and T-cells produce effector cells.
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