Q. 155.0( 1 Vote )

A. It is generall

Answer :

A. In the first encounter with chicken pox, the body of an infected person develops primary response and antibodies against the chicken pox virus. On a subsequent encounter with the same virus, the body produces a highly intensified secondary response. This happens due to the memory cells formed during the first encounter.

B. Interferons are the proteins secreted by virus-infected cells. These interferons protect the non-infected cells from viral infection.

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