CDC: Blue Bell listeria outbreak dates back to 2010
Holly Yan
But listeria could have been carried on foods like nuts that go into ice cream, she said.
['But', 'listeria', 'could', 'have', 'been', 'carried', 'on', 'foods', 'like', 'nuts', 'that', 'go', 'into', 'ice', 'cream,', 'she', 'said.']