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.

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 ...

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 ...

The American Red Cross website says O negative is the most common blood type used for transfusions when a patient's blood ...

An urgent call is going out for blood donors as Hoxworth Blood Centers says supplies are running low, especially for Type O ...

The American Red Cross and Bloodworks Northwest — two organizations that provide blood supply to hospitals across the nation — are still facing critical shortages of two blood types, prompting them to ...

NASHVILLE, Tenn. (WSMV) - O-positive and O-negative blood, as well as platelets, are at critical low levels, according to Blood Assurance. Blood Assurance said several days of heavy hospital usage ...

Blood Assurance is teaming up with UTC for the annual Bloodanooga blood drive. They say they are facing a critical need for donors of all blood types, as well as platelet and plasma donors. Blood ...

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.