Enteroinvasive Escherichia coli (EIEC) outbreaks are uncommon in Europe. In June 2014, two EIEC outbreaks occurred in Nottingham, UK, within 2 days; outbreak A was linked to a takeaway restaurant and outbreak B to a wedding party. We conducted 2 analytical studies: a case-control study for outbreak A and a cohort study for outbreak B. We tested microbiological and environmental samples, including by using whole-genome sequencing. For both outbreaks combined, we identified 157 probable case-patients; 27 were laboratory-confirmed as EIEC O96:H19-positive. Combined epidemiologic, microbiological, and environmental findings implicated lettuce as the vehicle of infection in outbreak A, but the source of the organism remained unknown. Whole-genome sequencing identified the same organism in cases from both outbreaks, but no epidemiologic link was confirmed. These outbreaks highlight that EIEC has the capacity to cause large and severe gastrointestinal disease outbreaks and should be considered as a potential pathogen in foodborne outbreaks in Europe.
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http://dx.doi.org/10.3201/eid2207.152080 | DOI Listing |
Microorganisms
December 2024
Korea Food Research Institute, Wanju 55365, Republic of Korea.
Acid adaptation in can induce antimicrobial resistance (AMR), posing challenges to global public health. We investigated the effects of acid adaptation on antimicrobial susceptibility, gene expression, zeta potential, and the outer membrane (OM) properties of NCCP 13719. The acid-adapted (AA) strain exhibited increased resistance to multiple antimicrobials, with minimum inhibitory concentrations for colistin and polymyxin B increasing eight- and two-fold, respectively.
View Article and Find Full Text PDFTrans R Soc Trop Med Hyg
January 2025
Department of Microbiology, Kogi State University, P.M.B. 1008 Anyigba, Nigeria.
Background: Globally, diarrhoeagenic Escherichia coli (DEC) has been implicated in the spread of waterborne diseases and abattoir wastewater has played a role in its dissemination into watersheds. This study isolated and characterised DEC from the abattoir wastewater-impacted Iyi-Etu River and other water sources at the Amansea livestock market settlement.
Methods: A total of 96 water samples comprising river water (upstream, downstream 1, downstream 2), borehole, well, sachet and abattoir wastewater samples were tested for DEC.
Eur J Clin Microbiol Infect Dis
December 2024
Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan.
An enteroinvasive Escherichia coli (EIEC) outbreak affecting 154 individuals was identified among attendees at a wedding in Loei Province, Thailand. The median time to symptom onset was 18 h (range: 7-72 h). The epidemiological evidence suggested that larb-neua-dib (spicy minced raw beef salad) was the probable source of the outbreak.
View Article and Find Full Text PDFAntibiotics (Basel)
November 2024
Medical Research and Analysis Unit (URAM), Interdisciplinary Center for Medical Research of Franceville (CIRMF), Franceville BP 769, Gabon.
Open Forum Infect Dis
November 2024
Division of Infectious Diseases, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah, USA.
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