date:Jan 14, 2013
At this point, the source of contamination for the shredded lettuce has not been determined. The CFIA has traced the lettuce to its origin in California and has notified US authorities of this finding.
The CFIA is verifying that appropriate food safety controls were followed at each step of production, processing and distribution. The agency noted that immediate action will be taken to ensure that any unsafe food is removed from the marketplace.