E. coli investigation in St. Louis looks at grocer's salad bars

Tuesday, November 1, 2011 | 10:12 a.m. CDT; updated 3:29 p.m. CDT, Tuesday, November 1, 2011

ST. LOUIS — Health officials trying to determine the source of an E. coli outbreak in St. Louis are looking at salad bars at the region's largest grocery chain.

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