The Cell mediated immunity reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Cell mediated immunity

The immune system has two radically different ways of responding to pathogens. Humoral immunity is the production of antibodies that recognise epitopes on foreign cells and particles, while cell-mediated immunity is entirely due to cytotoxic T-cells which recognise epitopes and recognise them directly.

Roughly, cell-mediated immunity destroys cells that have been infected with a virus, while humoral immunity deals more with bacteria and parasites.

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