A Possible Ohio Chipotle Illness Outbreak Remains a Mystery Two Weeks Later

An unexplained illness outbreak possibly related to an Ohio Chipotle restaurant continues to baffle officials roughly two weeks since people started getting sick.

Health officials have identified 644 people who became sick after eating at a Chipotle outside Columbus between July 26 and July 30, according to a Friday update from Ohio's Delaware General Health District. The cause of the illnesses, however, remains unclear.