An unprecedented discovery
In June 2025, international scientists revealed something astonishing: in Guadeloupe, a woman undergoing routine medical tests was found to have a new blood group previously unknown to science. Reported by outlets like CBS News and Live Science, and recognized by the International Society of Blood Transfusion (ISBT) as the 48th blood group system, this case has no precedent.
Nicknamed “Gwada negative”, her blood showed something extraordinary:
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It is incompatible with every other known human blood group.
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Currently, she is the only person in the world compatible with herself.
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The discovery was made when her samples reacted abnormally to all existing blood types.
The scientific explanation
Using high-throughput DNA sequencing, researchers traced the anomaly to a mutation in the PIGZ gene, which affects how proteins anchor on the surface of red blood cells. This mutation produced a never-before-seen blood profile.
From a medical perspective:
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If she ever needed a transfusion, only her own blood would work.
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Global blood banks have no record of another individual with the same type.
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Scientists are now searching for others, particularly in Guadeloupe, who may carry this hidden marker.
Beyond science…
Up to this point, everything fits within science. Yet, imagination pushes further:
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Could there be hidden human lineages with undiscovered blood traits?
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Do ancient legends about “different bloodlines” connect to modern findings?
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What if this discovery isn’t an isolated anomaly but the first clue to something larger?
No evidence suggests her blood is “non-human,” but the fact that science itself admitted a completely new blood type leaves a lingering question. For some, the door to speculation—and even conspiracy—just opened.
👉 Conclusion: Science has officially acknowledged something never seen before. Whether it’s a rare mutation… or a glimpse of a greater secret, is for each reader to wonder.
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