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 transplants. Type ...

Knowing your blood type can be beneficial for a number of reasons, including receiving the best transfusion for you, but it can also help you to protect your health. If you don't know what type you ...

A person's blood type is determined by "the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body," according to American Red Cross.

You have full access to this article via your institution. Rh positive blood groups are more susceptible to chikungunya fever over Rh negative individuals are resistant to it, a new study suggests 1.