Exclusive: Cookie Dough Loaded With Three Kinds of E. Coli

Investigators Stumped About Tainted Nestle Cookie Dough

By BRIAN HARTMAN
Abc News

Investigators have linked at least three different kinds of E. coli to Nestle's cookie dough but remain stumped about how the bacteria got into the product, ABC News has learned.

The U.S. Food and Drug Administration has completed DNA testing of E. coli recently found in an unopened package of cookie dough at Nestle's plant in Danville, Va.

Those tests, according to sources familiar with the investigation and confirmed by the FDA, determined the genetic fingerprint of the E. coli found at the plant is different than E. coli that has been linked to a 30-state outbreak that has sickened at least six dozen people.

Sources also say an altogether different strain of E. coli was found in dough recovered from the home of a victim, meaning at least three different types of E. coli have been associated with cookie dough made by Nestle. Read more...