#DYK according to @AABB, the number of U.S. blood donors in a year is 6.8 million? Thanks a MILLION, blood collecto… https://t.co/rMPiMntEud
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#DYK according to @AABB, the number of U.S. blood donors in a year is 6.8 million? Thanks a MILLION, blood collecto… https://t.co/rMPiMntEud