Question

Why do we say that if a person suffer from chickenpox once he /she is not likely to be attacked by the?

Answer 1

Explanation:

We say that a person once attacked by chicken pox never gets attacked by it again as our immune system has the ability to remember the pathogen and release antibodies instantly whenever that pathogen enters again. This work on remembering pathogens and releasing antibodies is done by 'Memory B' cells and 'Memory T' cells.

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