Chipotle's Food Poisoning Issue Is Nationwide. Here's A Map.

People keep eating at Chipotle, people keep getting sick.
Bloomberg via Getty Images

At least 120 Boston College students who ate at a local Chipotle last weekend have been sickened in an outbreak of the highly contagious norovirus, the most common cause of food-related disease outbreaks in the U.S.

It was already a tough year for the fast-casual burrito chain. At last count, 52 people across nine states have also been sickened by a separate Chipotle-connected outbreak of E. coli. This illness, distinct from norovirus, is caused by consuming food contaminated with E. coli bacteria, leading to symptoms that include diarrhea, abdominal pain, nausea and vomiting, according to the Mayo Clinic.

In addition to the E. coli and Boston norovirus outbreaks, Chipotle is facing lawsuits from a previous norovirus infection in California and a salmonella outbreak in Minnesota in August that affected at least 64 people.

Healthy people usually recover from both norovirus and E. coli-related illnesses within a week or so, but people with weakened immune systems, as well as elderly individuals and very young children are at more serious risk. (The Chipotle-associated illnesses haven't been linked to any deaths.)

See map below for Chipotle's 2015 infectious disease outbreaks:

Chipotle did not respond to a request for comment by time of publication. Appearing on the "Today" show Thursday morning, founder and co-CEO Steve Ells apologized to the people who were sickened.

"This was a very unfortunate incident and I'm deeply sorry that this happened," he said, "but the procedures we're putting in place today are so above industry norms that we are going to be the safest place to eat."

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