this post was submitted on 22 Jun 2025
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French scientists discover new blood type in Guadeloupe woman (www.cbsnews.com)
submitted 1 week ago by MicroWave@lemmy.world to c/health@lemmy.world
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French scientists have discovered a new blood type in a woman from the Caribbean island of Guadeloupe, France's blood supply agency announced Friday.

The woman is the only known carrier of a new blood type, dubbed "Gwada negative," the French Blood Establishment (EFS) said. The discovery was made 15 years after researchers received a blood sample from a patient who was undergoing routine tests ahead of a surgery.

…

This woman "is undoubtedly the only known case in the world," he said, adding: "She is the only person in the world who is compatible with herself."

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[–] Khanzarate@lemmy.world 18 points 1 week ago

Well its a negative type, so her blood can be given normally to others. If she was also o-, her blood could also be given to nearly the entire world, but the only blood she could get would be her own.

There's lots of really rare blood types. Getting a new positive type basically means you can't donate blood, getting a new negative type means you can't get it from others, but could give it.