World’s first rare blood group found in Bangalore woman, marking a historic medical discovery July 30, 2025 at 12:05AM

In a groundbreaking discovery, a new blood group antigen, CRIB, has been identified in a woman from Karnataka, India. This rare finding emerged when she needed cardiac surgery and her blood proved incompatible with standard O-positive units. International collaboration led to the identification of CRIB, enhancing transfusion safety and organ transplant compatibility.