E. coli outbreak warning expands to all romaine lettuce

The Centers for Disease Control and Prevention is expanding its warning to consumers to avoid all types of romaine lettuce from the Yuma, Arizona growing region due to a growing E. coli outbreak that has sickened people in 16 states. The warning now includes whole heads and hearts of romaine lettuce, as well as chopped romaine and salads and salad mixes containing romaine.Health officials say if you can't confirm where the lettuce came from, don't eat it.The update comes after new reports from A