Inefficient Immune Killer Cells Abet HIV Infection

... HIV attacks the immune system by infecting and killing helper T lymphocytes (also called CD4 T cells), the white blood cells responsible for mobilizing the mediators of an immune response. It''s thought that the response of another type of T cell--the cytotoxic T lymphocyte (CTL)--may be responsible for a large proportion of these deaths because CTLs recognize and kill infected cells... click link for more info. ...