World health organization

10 facts on blood transfusion

A technician managing the separation of blood into red cells and plasma

A single unit of blood can benefit several patients

Separating blood into its various components allows a single unit of blood to benefit several patients and provides a patient only the blood component which is needed. About 95% of the blood collected in high-income countries, 80% in middle-income countries and 45% in low-income countries is separated into blood components.

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