What are the diseases of the immune system?

Immune disese: The immune system is complex and has both numerous congenital and aquired disease to numerous in this small space. A deficiency of skin protection, saliva, gatric juice, b cells, t cells, autoimmune disorders are all contributory to altered defenses.

Immune deficiency: The immune system is responsible for preventing and fighting infections. It is made of white cells. There are many diseases that affect the number or the function of these cells causing immune deficiency with resulting infections.