Blood Type Facts - Donate Blood

O Positive and O Negative are two of the most critical blood types that support patients in our local hospitals Learn more about type O blood

There are eight blood types, divided into four categories: A, B, AB, and O, and whether Rh positive or negative These types are determined

blood link It was not until the year 1900, when Karl Landsteiner at the University of Vienna, discovered why some blood transfusions were successful while others could be

blood type Human blood falls into four different blood groups: A, B, AB and O Your blood also has what is known as an Rh factor: It either contains a certain protein or