O positive
1 AML affects the myeloid (also known as nonlymphocytic) type of white blood cells, the red blood cells and the cells that make platelets. 2  chronic lymphocytic leukemia (CLL). 3  CLL most commonly affects adults over age 55 and rarely occurs in children. 4  CLL affects the lymphocytic type of white blood cells. 1 Nonhemolytic fever reactions cause fever and chills without destruction (hemolysis) of the red blood cells. 2  This is the most common transfusion reaction. 3  It can occur even when the blood has been correctly matched and administered. 4  The more transfusions you receive, the greater your risk for this type of reaction. Blood Types and the Population. O positive is the most common blood type. Not all ethnic groups have the same mix of these blood types. Hispanic people, for example, have a relatively high number of O’s, while Asian people have a relatively high number of B’s. The mix of the different blood types in the U.S. population is: 1 Hemolytic transfusion reactions can cause the most serious problems, but these are rare. 2  These reactions can occur when your ABO or Rh blood type and that of the transfused blood do not match. 3  If this happens, your immune system attacks the transfused red blood cells. 4  This can be life-threatening. 1 Osteosarcoma, also known as osteogenic sarcoma, is the most common type of bone cancer and typically starts in bone cells in the arms, legs or pelvis. 2  It occurs most frequently in individuals between the ages of 10 and 30, and is more common in males than females. This is called a transfusion reaction. Most transfusion reactions occur because of errors made in matching the recipient's blood to the blood transfused. These errors are very rare, and much effort is made to prevent them. Even receiving the correct blood type sometimes results in The two major forms of hemophilia occur much more commonly in males than in females. Hemophilia A is the most common type of the condition; 1 in 4,000 to 1 in 5,000 males worldwide are born with this disorder. Hemophilia B occurs in approximately 1 in 20,000 newborn males worldwide.
http://www.health.ny.gov/statistics/cancer/registry/abouts/leukemia.htm http://www.webmd.com/a-to-z-guides/blood-transfusion-risks-of-blood-transfusion http://www.redcrossblood.org/learn-about-blood/blood-types http://www.webmd.com/a-to-z-guides/blood-transfusion-risks-of-blood-transfusion http://www.cancercenter.com/bone-cancer/types/ http://www.webmd.com/a-to-z-guides/blood-transfusion-risks-of-blood-transfusion http://ghr.nlm.nih.gov/condition/hemophilia
which blood type occurs most frequently