MICROANATOMY

Detailed explanation-1: -What Is A Universal Blood Donor? Universal donors are those with an O negative blood type. Why? O negative blood can be used in transfusions for any blood type.

Detailed explanation-2: -O positive blood can’t be used universally because it has the Rh factor, but it is compatible with all positive blood types including O+, A+, B+, and AB+. Since over 80% of the population has a positive blood type, type O positive blood is in high demand.

Detailed explanation-3: -For emergency transfusions, blood group type O negative blood is the variety of blood that has the lowest risk of causing serious reactions for most people who receive it. Because of this, it’s sometimes called the universal blood donor type.

Detailed explanation-4: -Learn More About Your Blood Type Compatibility O negative is the universal blood type. O negative blood type can only receive O negative blood. O negative donors who are CMV negative are known as Heroes for Babies at the Red Cross because it is the safest blood for transfusions for immune deficient newborns.

Detailed explanation-5: -That’s why O negative blood is the universal blood type, it can be used for any recipient regardless of blood type, with little risk of harm.