Changes

***aid opsonisation of free virus or infected cells for phagocytosis

***aid opsonisation of free virus or infected cells for phagocytosis

[[Image:T Cell viral response.jpg|thumb|right|200px|T Cell Immunity to Viruses - B. Catchpole, RVC 2008]]

[[Image:T Cell viral response.jpg|thumb|right|200px|T Cell Immunity to Viruses - B. Catchpole, RVC 2008]]

*T cells

*[[T cells]]

**CD8⁺ cytotoxic T cells are particularly important as nearly all the cells in the body express MHC class I. They tend to focus at the site of viral replication and destroy virus-infected cells.

**CD8⁺ cytotoxic T cells are particularly important as nearly all the cells in the body express MHC class I. They tend to focus at the site of viral replication and destroy virus-infected cells.

**CD4⁺ T cells are important in the recruitment of macrophages, using cytokines such as IFN-γ and TNF, and the induction of CD8⁺ cytotoxic T cells

**CD4⁺ T cells are important in the recruitment of macrophages, using cytokines such as IFN-γ and TNF, and the induction of CD8⁺ cytotoxic T cells