UPDATED: FDA and CDC Expand Chipotle E. Coli Investigation

December 07, 2015

Editor's note: This article has been updated with additional information. This post originally appeared under the headline, "Chipotles Temporarily Closing in Washington, Oregon Due to E. coli Scare."

Update (12/07/2015): The E. coli O26 outbreak linked to Chipotle restaurants continues to grow.

Three additional states (Illinois, Maryland, Pennsylvania) have reported people infected with the outbreak strain since the last update, pushing the total to 52 cases. Chipotle is cooperating with the Food and Drug Administration (FDA) to identify which specific food is linked to the illness.

Update (11/20/2015): The Food and Drug Administration (FDA) and the Centers for Disease Control and Prevention (CDC) have expanded their E. coli O26 investigation to Chipotle locations across six states, with infections being recorded in California (2), Minnesota (2), New York (1), Ohio (1), Oregon (13), and Washington (26). Sixteen hospitalizations have been reported.

For information on how to identify the signs and symptoms of E. coli O26, see the FDA Outbreaks page.

Update (11/10/2015): Chipotle has decided to reopen the 43 restaurants that were closed earlier this month. According to the chain, health officials have concluded that there is no ongoing risk of E. coli poisoning. For details on the steps taken by Chipotle to address the outbreak, see the company's release.

An E. coli outbreak temporarily closed several Chipotle Mexican Grill locations in two states.

The Food and Drug Administration (FDA) and the Centers for Disease Control and Prevention (CDC) are working with state and local officials in Oregon and Washington. At least 22 people are infected with an undetermined strain of the dangerous bacteria, including 19 in Washington and 3 in Oregon.

According to Washington authorities, four cases were reported in King County, nine in Clark County, one in Cowlitz County, and five in Skagit County. Oregon authorities reported their cases came from Clackamas and Washington counties.

No fatalities have been reported.

Most people reported eating at Chipotle Mexican Grill restaurants between October 16 and 25, with illness onset dates between October 23 and 25.

Only one case has specifically been confirmed to be E. coli O26. State and local health departments, with the assistance of the FDA and CDC are working to determine the specific genetic pattern of the other E. coli cases.

Chipotle Mexican Grill has decided to temporarily close 43 restaurants near where the illnesses have been reported.

E. coli can cause severe diarrhea that is often bloody, severe abdominal pain, and vomiting. Usually, little or no fever is present. One severe symptom is the contraction of hemolytic uremic syndrome (HUS), which can result in decreased urine production, dark or tea-colored urine, and facial pallor.

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