Guide To Understanding The Different Blood Types

Type A

Type A blood only has A antigens, and B antibodies are present in the plasma. An estimated thirty-four percent of Americans have A positive blood, making it the second most common blood type in the country. Patients with this blood type can donate blood to individuals who have either A positive or AB positive blood, and they can receive blood transfusions of A positive, A negative, O positive, or O negative blood. Six percent of the population in the United States has A negative blood, so it is one of the rarer types. Individuals with A negative blood can receive blood that is either O negative or A negative. A negative blood can be donated to patients who have A positive, A negative, AB positive, or AB negative blood.

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