Salmonella enterica serovar Agona European outbreak associated with a food company

N. Nicolay*, L. Thornton, S. Cotter, P. Garvey, O. Bannon, P. McKeown, M. Cormican, Ian Fisher, C. Little, N. Boxall, E. De Pinna, Tansy Peters, J. Cowden, R. Salmon, B. Mason, N. Irvine, P. Rooney, D. O'Flanagan

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    19 Citations (Scopus)


    We investigated an international outbreak of Salmonella Agona with a distinct PFGE pattern associated with an Irish Food company (company X) producing pre-cooked meat products sold in various food outlet chains in Europe. The outbreak was first detected in Ireland. We undertook national and international case-finding, food traceback and microbiological investigation of human, food and environmental samples. We undertook a matched case-control study on Irish cases. In total, 163 cases in seven European countries were laboratory-confirmed. Consumption of food from food outlet chains supplied by company X was significantly associated with being a confirmed case (mOR 18·3, 95% CI 2·2-149·2) in the case-control study. The outbreak strain was isolated from the company's pre-cooked meat products and production premises. Sufficient evidence was gathered to infer the vehicles of infection and sources of the outbreak and to justify the control measures taken, which were plant closure and food recall.

    Original languageEnglish
    Pages (from-to)1272-1280
    Number of pages9
    JournalEpidemiology and Infection
    Issue number8
    Publication statusPublished - Aug 2011


    • Foodborne infections
    • Salmonella


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