After half a century of puzzling over a handful of unexplained transfusion reactions, researchers have finally traced the problem to something hiding in plain sight: an entirely new blood group system ...

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 ...

When a pregnant woman had her blood sampled back in 1972, doctors discovered it was mysteriously missing a surface molecule found on all other known red blood cells at the time. After 50 years, this ...

In a routine blood test that turned extraordinary, French scientists have identified the world's newest and rarest blood group. The sole known carrier is a woman from Guadeloupe whose blood is so ...

Researchers from the UK and Israel have identified a new blood group system in humans, marking a major breakthrough in hematology. The discovery, published in September, stems from a puzzling case in ...

A group of French researchers have discovered a new, "ultra rare" blood group in a Guadeloupean woman after years of researching and sequencing her blood, the French Blood Establishment (EFS) said in ...

Blood groups, determined by inherited genes, act as vital identification markers on red blood cells. These 'badges,' including A, B, AB, O, and Rh factor, are crucial for the body's immune system to ...

French scientists have discovered a new blood type in a woman from the Caribbean island of Guadeloupe, France's blood supply agency announced Friday. The woman is the only known carrier of a new blood ...

In a groundbreaking development, French scientists have identified the world’s rarest blood group, known as Gwada-negative. It's a blood group so rare that only one woman in the world is known to have ...

Not long after Tilley started working for NHS Blood and Transplant in the early 2000s, a colleague suggested to her that she might try to solve the decades-old mystery of this very unusual blood. A ...