In a routine blood test that turned extraordinary, French scientists have identified the world's newest and rarest blood group. The sole known carrier is a woman from Guadeloupe whose blood is so ...

After half a century of puzzling over a handful of unexplained transfusion reactions, researchers have finally traced the problem to something hiding in plain sight: an entirely new blood group system ...

In a historical medical breakthrough, a woman from Bengaluru, who, for a medical procedure, had sought blood and was found to be incompatible with all the available ones, has now been discovered to ...