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 ...

O-positive and O-negative blood supplies are critically low across Oklahoma. Here’s why hospitals rely on type O donors and how you can help. O-positive and O-negative blood supplies are critically ...

CHATTANOOGA — Blood Assurance is in need of O Blood and they are calling on O-negative and O-positive donors to help out. They say those with O-negative blood are the universal donors and those with O ...

As blood banks across the U.S. report dangerously low supplies of O-negative blood (red blood cells), anesthesiologists are calling for increased donation and changes in how hospitals use this ...

Cruz Wallace, a 2-year-old with hemophilia, urgently needs O-negative blood ahead of surgery scheduled for Thursday, his family told KLFY. Hemophilia is a genetic bleeding disorder that prevents blood ...

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.

UPDATE: Donors have turned out to help Cruz. There is now enough blood for his surgery. Offiicals say though, please continue to donate as the winter months blood donations do go down. LAFAYETTE, LA. ...

Add Yahoo as a preferred source to see more of our stories on Google. HONOLULU (KHON2) — Blood donors around the islands have been called to help in a critical shortage, specifically those with ...