The principle of immunization or vaccination | vedclass

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(A) The principle of immunization or vaccination is based on the property of 'memory' of the immune system.When a pathogen is introduced into the body

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Memory

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(A) The principle of immunization or vaccination is based on the property of 'memory' of the immune system.When a pathogen is introduced into the body,the immune system produces antibodies and also generates memory $B$ and $T$ cells.These memory cells recognize the same pathogen upon subsequent exposure and mount a massive immune response,thereby preventing the disease.

The principle of immunization or vaccination is based on the property of ...........

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