A pregnant woman's blood sample taken in 1972 was mysteriously missing a surface molecule found on all other known red blood ...

Most people don’t spare a thought for their blood type unless they’re in need of a transfusion — but could yours hold secrets to your health? There are four main blood types: A, B, AB and O.

Human blood already comes in a bewildering variety of types, but researchers have now identified a new one so rare that only three people on the planet are known to carry it. The finding exposes just ...

Paramedics from DC Fire and EMS delivered the first unit of low-titer type-O whole blood to a patient as part of the newly introduced lifesaving Whole Blood Program. (Courtesy DC Fire and EMS) When ...

It is possible for blood type to change, and in some cases, this can happen without a blood transfusion. When someone is born, their blood type is determined, so everyone should know what their blood ...

A new blood transfusion program is making a difference between life and death. Several fire departments now operate with type O+ blood on hand. Paramedics can administer blood to patients in the field ...

An emergency blood transfusion saved Clarksville resident Karissa Perry's life after childbirth complications. Donated blood was critical.

For Jeff Humphreys and Carrie Stevenson, blood transfusions are a routine part of survival. As blood banks warn of shortages, ...

Most humans fall into one of four blood groups — A, B, AB or O. Ordinarily, your blood type makes very little difference in your daily life except if you need to have a blood transfusion. Other WRAL ...

Dr. Harry Bear answers: Do I Need a Blood Transfusion for Cancer Surgery? — -- Question: Will I need a blood transfusion and should I donate blood before breast cancer surgery? Answer: Blood ...