The last thing you should have to worry about when planning dinner or a salad is whether you are going to get food poisoning, but recent outbreaks of E. coli O157:H7 indicate that this is an ongoing concern.  Although the four fields confirmed to be contaminated with manure from sick cows are not currently being used to grow crops of leafy vegetables, the safety of this kind of produce has been a concern raised by FDA for over a year and it continues to be an ongoing issue.  What can you do to protect your health and the health of your family?    For mor information see this article about E Coli – The truth about contaminated spinach and lettuce