The Immune System: Friend and Foe

Lecture 3 – How the Host Avoids 'Friendly Fire'

by John W. Kappler, PhD

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  1. Lecture 1
    How Immune Cells Create Trillions of Receptors from a Few Hundred Parts

  2. Lecture 2
    How the Immune System Detects Invaders

  3. Lecture 3
    How the Host Avoids 'Friendly Fire'

  4. Lecture 4
    Stalking the Elusive Pathogen


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