Type O is routinely in short supply and in high demand by hospitals – both because it is the most common blood type and because type O negative blood is the universal blood type needed for emergency transfusions and for immune deficient infants.

Type O positive blood is given to patients more than any other blood type, which is why it’s considered the most needed blood type. 38% of the population has O positive blood, making it the most common blood type.

Not all blood is alike. Learn about blood typing and the rarest and most common types of blood and how they can impact your blood donation.

May 12, 2019 · The American Red Cross has a critical shortage of type O blood and urges eligible donors to give now to help patients facing trauma and other life-threatening situations.

Matching compatible blood types is important for blood transfusions. Knowing your type and compatibility is crucial if you ever need a transfusion. 4.5 million Americans receive a transfusion each year.

Jun 27, 2023 · Simply put, it means you have an A blood type if your blood has A antigens or a B blood type if you have B antigens. If you have both A and B antigens, then you have an AB blood type. And if you have neither A nor B antigens, then you have an O blood type.

Jun 27, 2023 · The most commonly recognized blood groups are A positive, A negative, B positive, B negative, AB positive, AB negative, O positive, and O negative. The positive or negative sign next to the blood groups is known as the Rhesus (Rh) factor.

Ideal blood types: O positive, O negative, A negative, and B negative. Donation frequency: Every 112 days, up to 3 times/year. Height/Weight requirements: See specific details

Most blood types fall into one of the four major groups: A, B, AB, O. However, some people have rare blood types that fall outside the major groups, and for these patients, we need a more diverse blood donor base.

If you’re a rare blood donor, your blood type is present in less than one in every 1,000 people. Patients who need rare blood rely on rare blood donors. Give blood.