this post was submitted on 22 Jun 2025
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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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[–] kubica@fedia.io 11 points 1 week ago (3 children)

"She is the only person in the world who is compatible with herself."

Is that wording right? If I understand correctly it should say "is only compatible with herself"? or am I missing something?

[–] 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.

[–] OfCourseNot@fedia.io 8 points 1 week ago (1 children)

Splitting hairs a bit but if you want to be precise here you need two 'only's in that sentence, 'she is the only person whose only compatible donor is herself'.

[–] KurtVonnegut@mander.xyz 4 points 1 week ago (1 children)

I love Lemmy for the users' reading skills.

[–] some_guy@lemmy.sdf.org 4 points 1 week ago

Who'd have thought literacy is a valuable skill? My father, thank goodness.

[–] DrunkenPirate@feddit.org 6 points 1 week ago* (last edited 1 week ago) (1 children)

This is actually word picking. However, there‘s a little difference.

She has this special blood group. And there is only one person known who is compatible. If there is another person the only is away.

If she is only compatible with herself, the only would stay, if there‘s another person with this special blood group.

So, the original writing is the correct way.

[–] kubica@fedia.io 5 points 1 week ago (1 children)

I got confused because it sounds like other people are not compatible with themselves, which sounds odd.

[–] DrunkenPirate@feddit.org 2 points 1 week ago

Okay I see. Actually the COMPATIBLE refers to the blood group not to people.