STX2 and hemolytic-uremic syndrome: Interesting most of these strains were Shiga toxin (Stx) type 2 (Stx2) producers, usually found in enterohemorrhagic E. coli (EHEC) and other Shiga toxin-producing E. coli (STEC), utmost related to hemorrhagic colitis (HC) and hemolytic uremic syndrome (HUS) cases.