CDC: Blue Bell Listeria Outbreak Went On For at Least Four Years

In April, Blue Bell Ice Cream recalled all of its products after a Listeria contamination. But it seems the outbreak went on for far longer than anyone realized. Jim Axelrod investigates.

Oct 14, 2015

In April, Blue Bell Ice Cream recalled all of its products after a Listeria contamination. But it seems the outbreak went on for far longer than anyone realized. CBS' Jim Axelrod investigates.

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