Annemarie Mannion of the Chicago Tribune reporter that Los Burritos Mexicanos, 1015 E. St. Charles Road in Lombard, was closed June 14 and reopened last week while investigators continue to try to track the cause of the outbreak.

The most recent tally of people who were made ill during the outbreak was 31, including confirmed and probable cases of E. coli O157:H7, according to Jason Gerwig, a spokesman for the DuPage County Health Department. Several people were hospitalized.

Restaurant manager Marco Arteaga said the restaurant, which has been open since 1991, has been served with two lawsuits as a result of the outbreak.

“We have nothing to say about it,” he said. “Our insurance is taking care of it.”