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Because of active immunity you never get the same cold twice. The cells responsible for this are what?

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  • Anonymous
    6 years ago
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    Memory T cells are a type of lymphocyte (white blood cell) which have surface receptors for previous antigens, essentially serving as a memory of past infections. In the presence of these previous infections' antigens these cells signal an immune response.

    Source(s): MSc Biochemistry
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  • ?
    Lv 5
    6 years ago

    memory cells to be specific(broadly speaking, antibodies)

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