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 ...

The ABO-Rh system of blood group typing is an immensely successful method that helps medical professionals safely perform blood transfusions throughout the world. Scientists from the French Blood ...

Add Yahoo as a preferred source to see more of our stories on Google. Knowing your blood type is critical during emergency health situations. Knowing your blood type is crucial medical information, ...

Everyone should know their blood type in case of a life-threatening event that results in a need for a blood transfusion. A new discovery introduces a new group of blood types that may be important to ...

You are probably aware of the two main blood group systems: the AB system and the rhesus system. Under the AB system, there are four main blood types A, B, AB and O. And each of these four types can ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A group of French researchers have discovered a new, "ultra rare" blood ...

In 2011, a woman from the French overseas region of Guadeloupe underwent routine tests before a surgery. Strikingly, doctors could not identify her blood group, which was so unique that they did not ...

A person's blood type is determined by "the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body," according to American Red Cross.

Researchers identify the world’s 48th blood group system after a rare case stumps doctors. Do you know your own blood type? If not, a quick look at your medical records or your donor card can ...

The ABO-Rh system of blood group typing is an immensely successful method that helps medical professionals safely perform blood transfusions throughout the world. blood type group, known as “Gwada ...