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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Jul. 22—ROCHESTER — The Mayo Clinic Blood Donor Program is issuing an urgent call for type O-negative blood donors. It is ...

There are different blood types: A, B, AB, and O, with each also being Rh-positive or Rh-negative. Knowing your blood type is important for safe blood transfusions and organ transplants. Type ...

LAFAYETTE, La. (KLFY) — Blood centers across the nation are facing a blood donation shortage, and here in Acadiana, Our Lady of Lourdes Blood Center says they have a specific need for O-negative blood ...

KANSAS CITY, Mo. — The Community Blood Center says hospitals' supply of Type O blood is dangerously low across Kansas and Missouri. The CBC stated there was a sharp drop in donations over the July ...

A person's blood type is determined by "the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body," according to American Red Cross.

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 ...