Immunotherapy is a form of medical treatment based upon the concept of modulating the immune system to achieve a therapeutic goal

• Cancer Immunotherapy attempts to stimulate the immune system to reject and destroy tumors.
• Anti-microbial Immunotherapy which includes vaccination, involves activating the immune system to respond to an infectious agent.
• Immune suppression dampens down an abnormal immune response in autoimmune diseases or attempts to reduce a normal immune response to prevent rejection of transplanted organs or cells.