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Understanding different blood types: A, B, AB, and O

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 ...
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Oklahoma blood banks report critical type O shortage; See how you can help

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 ...