STX2 and hemolytic-uremic syndrome: Set 2 contained 3 stx2-positive, eae-positive strains isolated in 2002 and 2003 (KO 1103–02, KO 1995–02, and KO 964–03), from 3 female patients (1, 2, and 41 years of age), all of whom had HUS and bloody diarrhea.