date:Jul 19, 2013
n released about outbreaks in those two states.
Investigators in Iowa and Nebraska are still working to pinpoint the source of the outbreak, which they suspect to be a raw vegetable product.
There are still several vegetables were investigating, said Iowa state epidemiologist Patricia Quinlisk on Tuesday. Were looking for something that could have exposed people in a multitude of settings, so were doing a lot of food traceback. Whatever it was, its not still on the market in Iowa.