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 ...

There are different blood types: A, B, AB, and O, with each also being Rh-positive or Rh-negative. Knowing your blood type is ...

Vitalant faces a shortage of type O blood, prompting an urgent call for donors. The versatile O blood type is crucial for ...

Your blood type might seem like a minor detail in your medical history, but it carries significant implications for your health and medical care. From emergency transfusions to pregnancy planning, ...

Type O blood has reached a critical shortage, falling to the lowest supply Vitalant has seen in two years.