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International Day of Thalassemia is celebrated every year on May 8 in over 60 countries around the world. International Day of Thalassemia is a possibility many people to understand that blood donation is a vital act of humanity that can save lives. The event also stresses on the possibility of prevention from thalassemia which is entirely possible by doing a simple test. For more information, please visit the official website of the Organization of Thalassemics in Bulgaria .