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Passive Humoral Immunity

  • Differs from active immunity in the antibody source and the degree of protection

    • Ab are harvested from a donor

    • B cells are not challenged by antigens

    • Immunological memory does not occur

    • Protection ends when antigens naturally degrade in the body

  • Naturally acquired – from the mother to her fetus via the placenta

Artificially acquired – from the injection of serum, C o p y r i g h t © 2 0 0 6 P e a r s o n E d u c a t i o n , I n c . , p u b l i s h i n g a s B e n j a m i n C u m m i n g s s u c h a s g a m m a g l o b u l i n

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