Restaurant's lettuce wasn't the source of a St. Louis E. coli outbreak, officials say
Although the lettuce tested negative, officials said the caterer's salads are still considered a possible source.
KMOX News Radio St. Louis on MSN2d
Lettuce involved in ongoing E. coli outbreak in St. Louis County tested negative
Test results from the Missouri Department of Health and Senior Services of a sampling of the lettuce tested in the ongoing ...