Human Infections with Non-O157 Shiga Toxin–producing Escherichia coli, Switzerland, 2000–2009

Käppeli, Ursula; Hächler, Herbert; Giezendanner, Nicole; Beutin, Lothar; Stephan, Roger

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Human Infections with Non-O157 Shiga Toxin–producing Escherichia coli, Switzerland, 2000–2009

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Feb 2011
By Käppeli, Ursula ; Hächler, Herbert ; Giezendanner, Nicole ; ...

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Emerg Infect Dis
Personal Author:

Käppeli, Ursula ; Hächler, Herbert ; Giezendanner, Nicole ; Beutin, Lothar ; Stephan, Roger
Description:

We characterized 97 non-O157 Shiga toxin (stx)-producing Escherichia coli strains isolated from human patients during 2000-2009 from the national reference laboratory in Switzerland. These strains belonged to 40 O:H serotypes; 4 serotypes (O26:H11/H-, O103:H2, O121:H19, and O145:H28/H-) accounted for 46.4% of the strains. Nonbloody diarrhea was reported by 23.2% of the patients, bloody diarrhea by 56.8%. Hemolytic uremic syndrome developed in 40.0% of patients; serotype O26:H11/H- was most often associated with this syndrome. Forty-five (46.4%) strains carried stx2 genes only, 36 strains (37.1%) carried stx1, and 16 (16.5%) strains carried stx1 and stx2. Genes encoding enterohemolysin and intimin were detected in 75.3% and 70.1% of the strains, respectively. Resistance to ≥1 antimicrobial agent was present in 25 isolates. High genetic diversity within strains indicates that non-O157 stx-producing E. coli infections in Switzerland most often occurred as single cases.
Subjects:

Adolescent Adult Aged Aged, 80 And Over Bacteria Child Child, Preschool Electrophoresis, Gel, Pulsed-Field Escherichia Coli Escherichia Coli Infections Female Hemolytic-Uremic Syndrome Human Infections Humans Infant Male Microbial Sensitivity Tests Middle Aged Non-O157 Research Serotyping Shiga-Toxigenic Escherichia Coli Shiga Toxin Shiga Toxin 1 Shiga Toxin 2 Species Specificity STEC Switzerland Young Adult
Source:

Emerg Infect Dis. 17(2):180-185.
Document Type:

Journal Article
Volume:

17
Issue:

2
Collection(s):

Emerging Infectious Diseases
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urn:sha256:b15aae14e95cb4c5350eb24f306801d2b0060e28ce2e328428abc979c2218078
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https://stacks.cdc.gov/view/cdc/18392/cdc_18392_DS1.pdf
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