CDC closes probe into Chipotle’s E.coli outbreak

The source of contamination hasn’t been uncovered, but the chain’s PR and marketing pros are already working to rebuild the struggling brand.

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It’s the end of the investigation and the beginning of a marketing push.

Monday brought a sigh of relief to leaders and the crisis team at Chipotle, who have been besieged with E. coli and norovirus outbreaks and a federal probe into one of its California restaurants.

Online chatter began late Sunday when The Wall Street Journal cited unnamed sources and reported the U.S. Centers for Disease Control and Prevention would announce that it has closed its investigation.

The CDC said “when a restaurant serves foods with several ingredients that are mixed or cooked together and then used in multiple menu items, it can be more difficult for epidemiologic studies to identify the specific ingredient that is contaminated.”

In a statement, Chipotle spokesman Chris Arnold, said:

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