My five-year-old daughter Ashley loves to swim, go to ballet class and tag along after her big sister Isabella. To the world, Ashley is a picture of health and vitality. While she appears to be thriving, my husband and I struggle to deal with her multiple daily medications, a severely restricted diet and the near-certainty that she will undergo several kidney transplants – all because of contaminated spinach containing E. coli 0157:H7 she ate as a toddler. Ashley was only two years old when, fighting a serious E. coli 0157:H7 infection , she spent six weeks in a hospital, and four months on...