In a groundbreaking development, French scientists have identified the world’s rarest blood group, known as Gwada-negative. It's a blood group so rare that only one woman in the world is known to have ...

Talk about a lonely hearts club. 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 ...

Step aside A, B, and O—there’s a new player in town. Scientists in France have just reported the discovery of a novel, rare blood type, only recorded in a single person to date. The French Blood ...

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 following essay is reprinted with permission from The Conversation, an online publication covering the latest research. In a routine blood test that turned extraordinary, French scientists have ...

The donor must be of Pakistani, Indian or Iranian descent. The family of a 2-year-old girl battling an aggressive form of cancer is desperately searching for a rare blood type that will allow her to ...

FRESNO, Calif. (KFSN) -- When you give blood at the Pint For A Pint Blood Drive, you don't always put a face to the people you are helping. We're introducing you to a four-year-old Fresno girl who ...

A man with a rare blood type who made his 100th donation this year is encouraging others to give blood. Robert Boocock, from York, has been donating his rare B-negative blood for 40 years, after being ...