Volume 15, Number 9—September 2009
Phylogeny and Disease Association of Shiga Toxin–producing Escherichia coli O91
|ST (Serotype)||Most severe symptom of patients infected with STEC O91
||Total no. strains|
|HUS (n = 4)||BD (n = 8)||D (n = 79)||A (n = 9)|
*ST, sequence type; STEC, Shiga toxin–producing Escherichia coli; H, H-antigen nonmotile strains; Hnt, H-antigen nontypeable strains; HUS, hemolytic uremic syndrome; BD, bloody diarrhea; D, diarrhea without visible blood; A, asymptomatic infection (1 patient infected with ST442 [STEC O91:H21] had abdominal cramps without diarrhea).
†Abdominal cramps without diarrhea.
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