CDC Used Frequent Shopper Cards to Trace Salmonella Outbreak

Written by Pat's Papers | Thursday, 11 March 2010 11:30 AM

The CDC has a new way to track food-borne illnesses says the Star Tribune: customer loyalty cards. The agency was able to trace a recent outbreak of salmonella by looking at the sales recorded on customers’ frequent shopper cards. Some consumer advocates say they worry that the CDC’s successful detective work could make such cards mandatory in the check-out lane.

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