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    Biology A-Level

    Active immunity and memory cells

    What Active immunity and memory cells means in Biology A-Level, as defined for OCR.

    Definition of Active immunity and memory cells

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    Reference: OCR

    Vaccination introduces a harmless form of an antigen so the adaptive immune system makes a primary response and memory B and T cells.
    OCR · Communicable diseases, disease prevention and the immune system (study guide)

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