410 IAC 7-26-115 "Shiga toxin-producing Escherichia coli" or "STEC" defined

Sec. 115. (a) "Shiga toxin-producing Escherichia coli" or "STEC" means any Escherichia coli capable of producing Shiga toxins, also called verocytotoxins. (b) The term includes STEC infections that can be asymptomatic or may result in a spectrum of illness ranging from mild nonbloody diarrhea, to hemorrhagic colitis (i.e., bloody diarrhea), to hemolytic uremic syndrome, which is a type of kidney failure. (c) Examples of serotypes of STEC include: (1) E. coli O157:H7; (2) E. coli O157:NM; (3) E. coli O26:H11; (4) E. coli O145:NM; (5) E. coli O103:H2; and (6) E. coli O111:NM. (d) The term is sometimes referred to as VTEC (verocytotoxigenic E. coli) or EHEC (Enterohemorrhagic E. coli). EHEC are a subset of STEC that can cause hemorrhagic colitis or hemolytic uremic syndrome.