Most people know their blood type—A, B, AB or O—along with whether they are Rh-positive or negative. But these familiar categories (those letters plus "positive" or "negative") represent just two of ...

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 ...

Universal blood type can be transfused into patients with any blood type. It’s been a while since the last time the organization asked, but the Wyoming Valley Chapter of the American Red Cross is once ...

A rare new blood type has been discovered, so "step aside A, B and O – there's a new player in town", said Gizmodo. So far, the "Gwada negative" blood type has been identified only in one person: a ...

ROCHESTER — The Mayo Clinic Blood Donor Program is issuing an urgent call for type O-negative blood donors. It is currently facing a critical shortage of O-negative blood, according to a press release ...

The ABO-Rh system of blood group typing is an immensely successful method that helps medical professionals safely perform blood transfusions throughout the world. Scientists from the French Blood ...

When every second counts, blood products can provide lifesaving care. The American Red Cross asks the public to give blood or platelets during Trauma Awareness Month in May to keep hospitals prepared ...

In a breakthrough that could transform how we understand blood compatibility and genetic mutations, French scientists have identified a new and ultra-rare human blood group, officially recognized as ...

The Western Kentucky Regional Blood Center is reporting a critical shortage of Type O-negative blood and is asking donors to make a donation as soon as possible. Vicki Smith, director of communication ...

The Northern California Community Blood Bank is in “urgent” need of O-negative blood, with supplies locally reaching “critically low” levels and is asking the public to help replenish the supply.

Most people know their blood type—A, B, AB or O—along with whether they are Rh-positive or negative. But these familiar categories (those letters plus "positive" or "negative") represent just two of ...