Thank you for donating whole blood today! You will be eligible to donate again on .

Know Your Type: B-

Understanding Your Blood Type

B- red cells are always needed. B- is the 2nd rarest blood type and the only types people with B negative can receive are O- and B-. This is why B negative donors are important.

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Best Use of Your Blood Type

The best way to use your powerful lifesaving donation is by donating:

  • Whole Blood

    Can be donated every 56 days and takes approximately 10-15 minutes once connected.

  • Double Red Cells

    Can be donated every 112 days. Donor must meet different requirements and donation takes approximately 20-30 minutes.

Fast Facts

1.5% of the population is B-.


You can receive red cells from people with type O- and B-.


You can give red cells to people with B+, B-, AB+, and AB-.


You can give platelets and plasma to people with type B-, B+, O-, and O+.

 

Human blood in storage

How to Max Your Type

There’s more than one way to give blood. Let your blood type lead the way in targeting the best way for you to donate your powerful lifesaving gift.

Whole Blood Donations

When you donate Whole Blood, one pint is taken during donation. It is later separated into three components.

Learn More

Double Red Cell Donations

By donating exclusively red blood cells, you can help fulfill the transfusion needs of two patients.

Learn More

Platelet Donations

Platelets are essential for blood clotting and often used by patients with bleeding disorders such as leukemia and aplastic anemia.

Learn More
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