Europe EditionFrench scientists discover new blood type in Guadeloupe woman
- The French Blood Establishment announced on June 21, 2025, the discovery of a new blood type in a woman from Guadeloupe, France.
- The discovery followed the first detection of a very unusual antibody in the patient’s blood during routine tests before surgery in 2011, with further analysis delayed by limited resources.
- In 2019, researchers solved the puzzle by employing advanced DNA sequencing techniques that revealed a specific genetic mutation, leading to the identification of the world’s 48th blood group system.
- An expert emphasized that this woman represents a unique and singular case worldwide, being the only individual whose blood is compatible with her own. The blood type was designated "Gwada negative" to reflect her Caribbean heritage.
- EFS emphasized that discovering new blood groups improves care for patients with rare blood types and Peyrard and colleagues hope to find others with the same blood group.
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Scientists have identified a new blood grouping system. The carrier is the only one in the world to date. Her blood had already been noticed in 2011, during a routine examination.
·Germany
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nin.rsIn addition to the well-known blood groups A+, A-, B+, B-, AB+, AB-, O+, O-, there are about a dozen other blood groups discovered in recent years, and the latest, called Guadeloupe negative, was identified by a group of scientists from the French Blood Institute (EFS) in a patient from Guadeloupe.
·Belgrade, Serbia
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