An E. coli outbreak that sickened Rockwood Summit High School students has now risen to 94 cases and is linked to five events hosted by the same catering company last week, health officials said. Three parents of high school students are suing the catering company.

A St. Louis County mother has filed a lawsuit against Banquet Enterprises, Inc. for negligence after her child was affected by an E. coli outbreak that has impacted 94 people, with more than half linked to Rockwood Summit High School.

St. Louis County health officials say current details suggest salad was the source of the illness but a specific ingredient has yet to be identified.

More than 90 cases of E. coli have been linked to a Rockwood Summit High School event. As of 12:00 p.m. Monday, the St. Louis County Health Department said 94 cases have been identified. Some of those cases have been confirmed;

Students, staff, and parents are continuing to be affected by an E. coli outbreak from an off-campus Rockwood Summit High School event this week. According to the St. Louis County Health Department, there have now been 69 cases identified as of Friday afternoon,