At that time, an epidemiologist for the Washington State Department of Health said the culprit appeared to be a Shiga toxin-producing Escherichia coli bacterium, but they were still waiting the outcome of several laboratory tests before they could give a definitive result. [20][21], In 1998, the first restaurant outside of Colorado opened in Kansas City, Missouri. [190][191] The Minnesota Department of Health reported that samples from 45 victims were tested and found that their illness was caused by the Salmonella Newport bacterium as determined by DNA profiling. [207] In their final report, the CDC stated that 55 persons in 11 states were infected with the same strain of STEC O26 during the major outbreak with 21 of those persons requiring hospitalization. [167] It also has been pointed out that Chipotle's current record-keeping system is actually hindering the health authorities' investigation in locating the sources of the various infections. Same-store sales increased 17.8% percent in the first quarter of 2017. On February 1, 2016, the CDC official closed their investigations on the larger E. coli that started in Pacific Northwest in October 2015 and also the smaller outbreak that started in Kansas and Oklahoma in November since no new cases were reported since December 1. With more than 2,000 locations, Chipotle had a net income of US$475.6 million and a staff of more than 45,000 employees in 2015.[15]. [36], In 2010, U.S. Immigration and Customs Enforcement (ICE) audited Chipotle's Minneapolis restaurants, and found that some employees had been hired using fraudulent documents. [85] At the time of its opening in 2014, the restaurant at La Dfense was the largest Chipotle location in the world at 7,000 square feet (650m2), while a typical Chipotle restaurant is usually between 2,200 square feet (200m2) and 2,500 square feet (230m2). [80] Although Chipotle blames the slow growth in the United Kingdom on the British unfamiliarity with Mexican foods,[81] several locally owned burrito chains had opened locations across the United Kingdom during the same interval. [98][52], All of Chipotle's restaurants are company-owned, rather than franchised. [225] This food borne outbreak has been called the worst incident to date that can be traced to a single restaurant location. Some exceptions are the beans and carnitas, which are prepared at a central kitchen in Chicago, Illinois. Health officials were unable to trace the source of the July outbreak and said that the cause of the July outbreak is unrelated to the October/November outbreak.
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