Kawasaki disease, also known as Kawasaki syndrome, is a severe but uncommon illness that primarily affects children younger than five years of age. It is characterized by inflammation of the blood vessels, commonly affecting the arteries, and can affect numerous regions of the body, including the skin, mucous membranes, and lymph nodes. Kawasaki illness has an unknown origin; however, it is thought to be caused by an overreaction of the immune system...