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 ...

French scientists have identified a new blood type, dubbed "Gwada negative", belonging to a French woman from the Caribbean island of Guadeloupe. The woman is the only known carrier of what is now ...

A French woman from the Caribbean island of Guadeloupe has been identified as the only known carrier of a new blood type, dubbed "Gwada negative," France's blood supply agency has announced.