People with 22q11.2 deletion syndrome often experience recurrent infections caused by problems with the immune system, and some develop autoimmune disorders such as rheumatoid arthritis and Graves disease in which the immune system attacks the body's own tissues and organs.
Rene Favaloro; Performed First Bypass Surgery. Rene Favaloro, 77, Argentine surgeon who pioneered coronary bypass surgery. In 1967, Favaloro performed the first bypass operation on a 51-year-old woman at the Cleveland Clinic in Ohio, using a saphenous vein taken from the patient's leg to detour blood around blockages in her heart.
Alexander Bogdanov in Moscow in 1925 devoted the science of blood transfusion for whole blood.  ]  Studies show that Dr.Charles Richard Drew was the one who invented the blood bank in 1940.American Red Cross took over and he directed many blood bamks over the world.