"Immunity" is the most pressing need of mankind in the wake of Corona pandemic. Cell-mediated immune responses involve the destruction of infected cells by cytotoxic T cells, or the destruction of intracellular pathogens by macrophages. The activation of naive T cells in response to antigen, and their subsequent proliferation and differentiation, constitutes a primary immune response.Cellular immunity is mediated by T lymphocytes, also called T cells. Their name refers to the organ from which they’re produced: the thymus. This type of immunity promotes the destruction of microbes residing in phagocytes, or the killing of infected cells to eliminate reservoirs of infection. T cells do not produce antibody molecules. They have antigen receptors that are structurally related to antibodies. These structures help recognize antigens only in the form of peptides displayed on the surface of antigen-presenting cells. Please find the detailed presentation on this topic below.

Malavika Menon

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