The pandemic Escherichia coli sequence type 131 strain is acquired even in the absence of antibiotic exposure

• Grant R. Whitmer ,

  ¶‡ GW and GM share first authorship on this work.

  Affiliation Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America

  http://orcid.org/0000-0003-2421-2852

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• Ganga Moorthy ,

  ¶‡ GW and GM share first authorship on this work.

  Affiliation Department of Pediatrics, Duke University, Durham, North Carolina, United States of America

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• Mehreen Arshad

  * E-mail: marshad@luriechildrens.org

  Affiliations Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America, Department of Pediatrics, Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, Illinois, United States of America

  http://orcid.org/0000-0002-7517-9274

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