this post was submitted on 06 Jul 2025
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[–] catty@lemmy.world 9 points 2 days ago (1 children)

This blood type is called 'Gwada negative'

That's pretty dumb, considering all the others are sensible 1-2 letters.

[–] 9tr6gyp3@lemmy.world 10 points 2 days ago (2 children)

There are about 47 known blood types, and they are not all just 1-2 letters.

[–] catty@lemmy.world 4 points 2 days ago
[–] SheeEttin@lemmy.zip 1 points 2 days ago* (last edited 2 days ago)

48. But the ABO and Rh systems are still the main categories.

https://en.wikipedia.org/wiki/Blood_type