You are probably aware of the two main blood group systems: the AB system and the rhesus system. Under the AB system, there are four main blood types A, B, AB and O. And each of these four types can ...

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 ...

The discovery of a new blood group, MAL, has solved a 50-year-old mystery. Researchers from NHS Blood and Transplant (Bristol), NHSBT's International Blood Group Reference Laboratory (IBGRL) and the ...

Every drop of blood carries a secret. It tells a story about family, safety, and how the body protects itself. Blood groups are not random labels. They are like tiny name tags on blood cells that help ...

Soon after SARS-CoV-2 began its assault on the world, scientists began searching for clues about what, if any, factors made people more or less likely to get infected with the virus, and more or less ...

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 ...

The rarest blood type is Rhnull. Unlike other blood types, people with Rhnull blood have no Rh antigens on their red blood cells. Healthcare professionals classify blood type according to the presence ...