World Blood Donor Day is day dedicated to "thanking and celebrating voluntary non-remunerated blood donors".
It occurs on June 14, the birthday of Karl Landsteiner, the creator of the ABO blood group system, for which he won the Nobel Prize. The first day was held in 2005.
One of the main goals of the World Blood Donor Day is to ensure the availability of 'safe blood' for transfusion.
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