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For example, the 44 th member of this group, known simply as “Er,” was discovered in 2022, meaning that scientists are currently discovering more than one new blood group a year.
After 15 years of research, French scientists identified a new, 48th blood group system called \\"Gwada negative\\" from a routine pre-surgery blood test.
In a routine blood test that ... modified to match ultra-rare blood types. In the case of Gwada, researchers could artificially create Gwada-negative red blood cells by mutating the PIGZ gene. Gwada ...