As per various news articles, Packaged Spinach is responsible for outbreak for E-Coli in states.
Here is one article:
http://www.usatoday.com/news/health/2006-09-14-ecoli_x.htm?csp=34
As per the article apart from Spinach, for all packaged vegetables also wash them thoroughly before consuming them.
I thought only spinach was infected with e-coli, but looks like even
the
bagged salads by dole have been infected.
check this out …