Hemolytic Uremic Syndrome and Death in Persons with<i>Escherichia coli</i>O157:H7 Infection, Foodborne Diseases Active Surveillance Network Sites, 2000–2006

Young children and females had an increased risk of HUS after STEC O157 infection. With or without HUS, elderly persons had the highest proportion of deaths associated with STEC O157 infection. These data support recommendations for aggressive supportive care of young children and the elderly early during illness due to STEC O157.