Outbreak of Escherichia coli O157:H7 in a child care center in Cook County, Illinois, with prolonged shedding and household transmission

Gallagher, Lauren; Soyemi, Kenneth; Conover, Craig; Austin, Connie; Saathoff-Huber, Lori; Nelson, Shakira M.; Chudoba, Maria; Vernon, Michael O.

doi:10.1016/j.ajic.2013.03.312

Cited by 11 publications

(7 citation statements)

References 5 publications

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“…Although cultures of stool specimens from both of these workers proved negative, specimen collection occurred 11–14 days after cessation of diarrhoea. Excretion of E. coli O157:H7 is generally limited to ⩽1 week but in some studies has ranged from 2–62 days [20, 21]. Little is available in the published literature regarding asymptomatic human carriage of E. coli O111; one study in Germany found that E. coli O111:H – accounted for 2% of asymptomatic STEC infections [22].…”

Section: Discussionmentioning

confidence: 99%

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Epidemiology of a large restaurant-associated outbreak of Shiga toxin-producingEscherichia coliO111:NM

et al. 2011

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In August 2008, a large outbreak of Shiga toxin-producing Escherichia coli (STEC) O111:NM infections associated with a buffet-style restaurant in rural Oklahoma was identified. A case-control study of restaurant patrons and a retrospective cohort study of catered event attendees were conducted coupled with an environmental investigation to determine the outbreak's source and mode of transmission. Of 1823 persons interviewed, 341 (18·7%) met the outbreak case definition; 70 (20·5%) were hospitalized, 25 (7·3%) developed haemolytic uraemic syndrome, and one died. Multiple food items were significantly associated with illness by both bivariate and multivariate analyses, but none stood out as a predominant transmission vehicle. All water, food, and restaurant surface swabs, and stool cultures from nine ill employees were negative for the presence of Shiga toxin and E. coli O111:NM although epidemiological evidence suggested the outbreak resulted from cross-contamination of restaurant food from food preparation equipment or surfaces, or from an unidentified infected food handler.

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Section: Discussionmentioning

confidence: 99%

“…Specifically, E. coli O111:NM infection with an outbreak strain was identified in a child with exposure to two family members who dined at the restaurant without developing clinical illness. Asymptomatic infections of E. coli O157:H7 in 6% of an exposed cohort have been reported [20].…”

Section: Discussionmentioning

confidence: 99%

Epidemiology of a large restaurant-associated outbreak of Shiga toxin-producingEscherichia coliO111:NM

et al. 2011

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“…We identified 11 outbreak costing studies relating to isolating infected individuals at home or in a hotel in outbreak scenarios [9][10][11][12][13][14][15][16][17][18][19], and three simulation studies that explored the costs of isolating infected individuals [20][21][22]. Table 3 summarises the available cost information from these studies in 2020 USD (US$) converted to unit costs where applicable for the outbreak costing studies, and Table 4 summarises the simulation studies in the reported currencies (see supplementary spreadsheet for original extracted data in its original currencies and units).…”

Section: Non-hospital Isolation Of Infected Individualsmentioning

confidence: 99%

A Systematic Review of the Costs Relating to Non-pharmaceutical Interventions Against Infectious Disease Outbreaks

Skarp

Downey

Ohrnberger

et al. 2021

Appl Health Econ Health Policy

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Background Non-pharmaceutical interventions (NPIs) are the cornerstone of infectious disease outbreak response in the absence of effective pharmaceutical interventions. Outbreak strategies often involve combinations of NPIs that may change according to disease prevalence and population response. Little is known with regard to how costly each NPI is to implement. This information is essential to inform policy decisions for outbreak response. Objective To address this gap in existing literature, we conducted a systematic review on outbreak costings and simulation studies related to a number of NPI strategies, including isolating infected individuals, contact tracing and quarantine, and school closures. Methods Our search covered the MEDLINE and EMBASE databases, studies published between 1990 and 24 March 2020 were included. We included studies containing cost data for our NPIs of interest in pandemic, epidemic, and outbreak response scenarios. Results We identified 61 relevant studies. There was substantial heterogeneity in the cost components recorded for NPIs in outbreak costing studies. The direct costs of NPIs for which costing studies existed also ranged widely: isolating infected

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“…Several reports have described the importance of preventing secondary transmission and the necessity of limiting attendance at work, school, and childcare facilities to prevent the spread of infection [8–10]. However, few studies have investigated which factors contribute to secondary transmission and to the spread of infection in families of infected children.…”

Section: Introductionmentioning

confidence: 99%

Prevention of secondary household transmission during Shiga toxin-producingEscherichia colioutbreaks

2016

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Prevention of secondary household transmission of Shiga toxin-producing Escherichia coli (STEC) is important in outbreak settings. We examined factors contributing to secondary household transmission during STEC outbreaks in daycare centres in Japan. Suspected STEC outbreaks in daycare centres were identified by the National Epidemiological Surveillance of Infectious Diseases. Questionnaires were sent to local health centres that responded to outbreaks. Secondary household transmission rates were calculated, and factors affecting secondary household transmission rate were analysed by multilevel analysis. The secondary household transmission rates in 16 outbreaks ranged from 0% to 34·4% (median 4·4%). The highest rate (23·0%) was observed in siblings aged 6-9 years, and the infection rate was significantly higher for mothers than for fathers and grandparents (P < 0·05). Using multilevel analysis, the following variables were selected in the best model: information provided face-to-face (vs. letter or telephone) to families of children in daycare centres (at initial response), STEC type and lag time (days) between onset and providing information. Early response and hygiene education by visiting local health centre staff may be effective measures to prevent secondary household transmission in STEC outbreaks. Hygiene education should be emphasized for children aged 6-9 years, as well as for younger children.

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Outbreak of Escherichia coli O157:H7 in a child care center in Cook County, Illinois, with prolonged shedding and household transmission

Cited by 11 publications

References 5 publications

Epidemiology of a large restaurant-associated outbreak of Shiga toxin-producingEscherichia coliO111:NM

Epidemiology of a large restaurant-associated outbreak of Shiga toxin-producingEscherichia coliO111:NM

A Systematic Review of the Costs Relating to Non-pharmaceutical Interventions Against Infectious Disease Outbreaks

Prevention of secondary household transmission during Shiga toxin-producingEscherichia colioutbreaks

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