The story of Hafsa Bidri (11), the sick girl who has been looking for a stem cell donor for six years, has a double tragedy. A stem cell donor was found for her older sister, born with the same blood disorder. In the meantime, the clock is ticking for Hafsa. More than 500 potential donors have already registered in one day, but if no match turns up, she dies. “After every blood transfusion we feel improvement. But then she disappears again.”

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