Risk Factors for Transmission of Escherichia coli (E. coli) O157:H7

• had recent animal contact, including petting zoos?

• eaten undercooked hamburger?

• eaten processed meats (salami, other)?

• eaten fresh, uncooked vegetables (lettuce, alfalfa sprouts, raddish sprouts)?

• drunk unpasteurized apple cider or other juices?

• drunk unpasteurized milk?

• eaten at a fast food restaurant?

• drunk or swimmed in unchlorinated water?

• swum in a swimming pool?

• had close contact with someone who has diarrhea?

• attended a day care or chronic care facility?

• traveled to an endemic region?