Vaccination protects a person from disease be | vedclass

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(C) Vaccination works on the principle of immunological memory. When a vaccine is introduced into the body,it contains weakened or dead pathogens or t

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stimulates the production of antibodies.

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(C) Vaccination works on the principle of immunological memory. When a vaccine is introduced into the body,it contains weakened or dead pathogens or their antigens. The immune system recognizes these antigens as foreign and triggers an immune response. This leads to the production of specific antibodies and memory $B$ and $T$ cells. These memory cells remain in the body and provide long-term protection by producing a rapid and massive response if the same pathogen infects the body in the future.

Vaccination protects a person from disease because it...

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