World Blood Donor Day / Wereldbloeddonordag 2026

World Blood Donor Day (WBDD) is celebrated every year by people around the world on June 14, it is celebrated on the birthday anniversary of Karl Landsteiner on June 14, 1868, who was awarded the Nobel Prize for his discovery of the ABO blood group system.
WBDD was organised for the first time in 2005, by a joint initiative of World Health Organisation, the International Federation of Red Cross and Red Crescent Societies to raise awareness of the need for safe blood and
The 2026 campaign, “One Drop of Humanity. Give Blood. Save Lives.”, places humanity at the heart of every blood donation. It reminds us that each donation is more than a medical act: it is a powerful expression of solidarity, compassion and collective responsibility. Inspired by the idea that the whole of humanity can be reflected in a single drop, the campaign highlights how every donor helps form a lifeline that connects and protects us all. While advances in science, testing and blood safety systems have made transfusion safer than ever, safe blood remains dependent on people willing to donate regularly and voluntarily. Yet many countries continue to face shortages and unequal access to safe blood and blood products, particularly in low- and middle-income settings.
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