date:May 16, 2012
prominent as the typical sources of Listeria outbreaks.
The U.S. Food and Drug Administration's (FDA's) Devin Koontz updated the conference on the federal investigation into Jensen Farms, the cantaloupe grower responsible for last year's Listeria outbreak.
Koontz said beyond the existing theories - contamination of a cull truck that went between Jensen's packing house and a cattle yard, contamination of equipment that included a used potato washer, or just low-level sporadic contamination -