The goal of this study is to know about how T cells effects the Human Immuno Virus. T cells is a type of white blood cells which occurs at bone marrow. T cells severely disrupt the Immune system. Skin will also be effected through brusing by T cells. The killer T cells descry and destroy the infectious agent and the helper T cells activates and alerts the pathogen. The white blood cells shield opposed to the threat in order to antibodies which are produced.