STX2 and hemolytic-uremic syndrome: Among other top BLASTn hits (≥97% identity [ID] and >90% query) were German E. coli HUSEC/EHEC (HUSEC stands for enterohemorrhagic E. coli [EHEC] associated with hemolytic-uremic syndrome [HUS]) epidemic isolate HUSEC2011 (HF572917.2) with 97% identity over 93% of the query, stx2-positive E. coli O168 strain 09-00049 from United States in 2009 (CP015228) with 97% ID/93% query, and another German outbreak E. coli O104:H4 strain C227-11 (CP011331.1) with 97% ID/92% query.