Add Yahoo as a preferred source to see more of our stories on Google. The ABO-Rh system of blood group typing is an immensely successful method that helps medical professionals safely perform blood ...

A group of French researchers have discovered a new, "ultra rare" blood group in a Guadeloupean woman after years of researching and sequencing her blood, the French Blood Establishment (EFS) said in ...

A major retrospective study shows that people with blood group A face a higher likelihood of autoimmune liver disease, especially primary biliary cholangitis, while those with blood group B appear ...

In 2011, a woman from the French overseas region of Guadeloupe underwent routine tests before a surgery. Strikingly, doctors could not identify her blood group, which was so unique that they did not ...