Story perspectives
Researchers Seek Universal Blood Type from Rare Cases
9/3/2025
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Story summary
- A woman in Guadeloupe had an unmatched blood type in 2011; a similar case arose in India with an O positive blood type.
- Researchers, led by Martin Olsson, are studying rare blood types to identify genetic variants for universally-compatible blood.
- Both women can only receive blood from themselves, emphasizing the rarity of their blood types.
- Olsson suggests that more individuals with similar rare blood types may be undetected.
