How can you find out your blood type?

O Blood Type blood type By drawing blood A person can identify their blood type at home using a rapid blood typing kit Using the kit requires a person to prick a finger with a needle blood group 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 The universal blood type, O negative, can be transfused to patients of any blood type Because it can be given to anybody, even when a blood type need has not