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(Memphis) Lifeblood is kicking off its 50th anniversary with the “50 Years, Four Million Lives” campaign.

The organization is the Mid-South’s only full-service non-profit blood donation center.

Lifeblood supplies more than 100-thousand units for local patients every year.

For the celebration, Lifeblood is unveiling its window clings, which will be displayed at businesses and organizations that support them.