Woman With Rare Blood Type Compatible Only With Herself

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Scientists have found a blood type so rare only ONE person on Earth has it - and she can only receive blood from herself.

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Named "Gwada negative" after the patient's Caribbean home of Guadeloupe, this blood type stumped medical experts for over a decade before they cracked its mystery

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The woman inherited a unique genetic mutation from BOTH parents, creating a blood profile never seen before in human history.

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Today only she is compatible with herself in the whole world," warns medical biologist Thierry Peyrard - creating a life-threatening challenge if she ever needs a transfusion.

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How was this discovered? A routine pre-surgery blood test in 2011 revealed something doctors had never seen, but technology wasn't advanced enough to identify it.

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Eight years later in 2019, cutting-edge DNA sequencing finally revealed the mutation in her PIGZ gene, becoming the 48th blood group system recognized in humans.

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Blood types matter because incompatible transfusions can trigger deadly immune reactions - with your body violently attacking "foreign" blood cells.

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Since Karl Landsteiner discovered the ABO system in 1900, scientists have identified 48 blood group systems with nearly 400 subgroups - each representing unique cell surface proteins.

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The discovery isn't just about transfusions - it could help pregnant women with rare blood types whose antibodies might attack their unborn babies.

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Scientists are now searching for others with this ultra-rare blood type, especially among people with Guadeloupean ancestry, hoping to find potential donors before an emergency strikes.

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