An unidentified woman from Guadeloupe has the rarest blood type on Earth, to the extent that she’s only compatible with herself. The 68-year-old is thus far the only known member of the blood group ...

Golden blood" or Rh-null is the rarest blood type in the world, with fewer than 50 known carriers globally. This universal ...

Blood usually falls into a few widely recognized categories or types, based on the proteins that are expressed on the surface of red blood cells. For example, A or B antigens may be present there, ...

In a routine blood test that turned extraordinary, French scientists have identified the world’s newest and rarest blood ...

Since this rare blood type is more common amongst those of Pakistani, Indian, or Iranian descent, the organization OneBlood is asking people whose birth parents are both 100 percent of one of ...

Rh-null blood can be accepted by anyone with a rare blood type in the Rh system, making it "the golden blood," says a doctor. International donations are, however, often hampered by bureaucracy.

From London came a suggestion: Mrs. Hutson’s blood seemed to be of the Shabalala type, named for Mrs. Elizabeth Shabalala, 42, a handsome, strapping Zulu in whom the type was first detected in ...

Since his blood can be given to anyone with a negative Rh blood type, Thomas could save countless lives. But if he ever needs blood himself, he can receive only Rhnull blood.

There are over 600 other known antigens, and the absence or presence of them creates "rare blood types," says the American Red Cross. However, statistically, AB negative is rarer than other blood ...