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⟩ What is cell-mediated immune response?

It is based on T cells. These T cells are of two types.

T helper cells (TH)

T cytotoxic cells. (TC)

T helper cells interact with antigen MCH II present on APC (Antigen presenting cell) and secrete cytokines. These activate B cells, Tc cells and other phagocytic cells; these activated phagocytic cells kill microorganisms like protozoa and bacteria.

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