TEXT: A pedestrian walks past a closed Chipotle restaurant in Seattle on Nov. 2, 2015. Washington state health officials say they have found no source for the E. coli outbreak related to Chipotle and the chain's Pacific Northwest restaurants could reopen later this week. Washington state epidemiologist Dr. Scott Lindquist says all the tests of food from Chipotle stores in Washington and Oregon came back negative for E. coli. (AP Photo/Elaine Thompson)