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.
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
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