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  1. Type O Blood

    O negative is the most common blood type used for transfusions when the blood type is unknown. This is why it is used most often in cases of trauma, emergency, surgery and any situation …

  2. Type O Blood: O+ and O- Blood Types - Bloodworks Northwest

    O- is the universal blood type. This means that any patient with any of the 8 blood types can receive O- blood to help them through treatments or trauma accidents.

  3. Blood Types: What They Are and Mean for Your Health

    Type O: Red blood cells have neither A nor B antigens. Blood types are either “positive” or “negative,” depending on the absence or presence of the Rh factor’s D antigen, another …

  4. Blood Types and Health: How Your Blood Type Affects Your …

    5 days ago · Blood Types affect much more than just transfusion compatibility. Most people don't realise that Type O blood carriers have the lowest risk of heart attacks and blood clots in the …

  5. Understanding Your Blood Type With the ABO System and Rh …

    Dec 7, 2025 · There are eight main blood types, defined by the ABO system and the Rh factor. Type O-negative blood is a universal donor, and AB positive blood is a universal recipient. …

  6. Versiti - O Blood Type | Blood Types Explained

    Are you type O+ or O-? Learn the facts about what makes your blood type special!

  7. Blood Types Uncovered: Health Benefits and Risks of A, B, AB, and O

    21 hours ago · type O: Common, versatile, and not without challenges Type O is the most prevalent blood type, and O-negative is the universal donor.In general, Type O is associated …

  8. What Is Special About O Negative Blood? Universal Blood Type

    Dec 17, 2025 · O negative blood is special because it is the universal blood type, meaning that it is the preferred choice for blood transfusions. This is especially true when the recipient's blood …

  9. Different Blood Types Explained: A, B, AB, and O - Health

    Dec 20, 2025 · 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 …

  10. Is there a best blood type? The ups and downs of A, B, AB and O ...

    4 days ago · These are the benefits of having type A, B, AB or O blood, including who's less likely to be bitten by a mosquito, who's at higher risk for cancer and who can better fight COVID-19.