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An empoyee checks the separation process of blood donations at the Interregional Transfusion CRS in Bern, Switzerland, June 15, 2017. Blood shortages occur often in the US.
An empoyee checks the separation process of blood donations at the Interregional Transfusion CRS in Bern, Switzerland, June 15, 2017. Blood shortages occur often in the US.
Credit:  Denis Balibouse/Reuters