Armored Personal Carrier. I think the APC is located where you find the Warden Crossbow.
Autoimmune diseases arise from an overactive immune response of the body against substances and tissues normally present in the body. In other words, the body actually attacks its own cells. An immune disorder is when the body cannot defend itself. [ Source: http://www.chacha ....n immune disorder is when the body cannot defend itself. [ Source: http://www.chacha.com/question/what-is-the-difference-between-immune-disorders-and-autoimmune-diseases ]. More Answers to  What is the difference between immune disorders and autoimmune diseases .
About Non Specific Autoimmune Disease. A nonspecific autoimmune disease is an autoimmune disease that cannot be fully identified or diagnosed, and does not meet the criteria of known autoimmune diseases.onspecific autoimmune disease may be chronic -- which means it can't be cured -- but symptoms may be managed with medication and lifestyle changes.