Scientists from the French Blood Establishment (EFS) has successfully identified the ultra-rare 48 th blood type group, known as “Gwada negative,” which came from a blood sample originally drawn some ...

The International Society of Blood Transfusion recognized a new blood type this month. The new addition, now the 48th ...

Scientists have discovered a new blood group that has so far only been identified in one woman, from the French overseas ...

Now, scientists say the woman is the only known carrier of a new blood type called “Gwada negative.” It’s the only blood type ...

Scientists have discovered a new blood type in a woman from Guadeloupe, now recognized as one of the rarest in the world.

The woman is the only known carrier of a new blood type, dubbed "Gwada negative," the French Blood Establishment (EFS) said.

Step aside A, B, and O—there’s a new player in town. Scientists in France have just reported the discovery of a novel, rare ...

In June 2025 the International Society of Blood Transfusion (ISBT) approved the world’s 48th human blood-group system, ...

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