Concurrent conditions and human listeriosis, England, 1999-2009

Sarah O'Brien, Piers Mook, Sarah J. O'Brien, Iain A. Gillespie

    Research output: Contribution to journalArticlepeer-review


    The epidemiology of listeriosis in England and Wales changed during 2001-2008; more patients ≥60 years of age had bacteremia than in previous years. To investigate these changes, we calculated risk for listeriosis by concurrent condition for non-pregnancy-associated listeriosis cases reported to the national surveillance system in England during 1999-2009. Conditions occurring with L. monocytogenes infection were coded according to the International Classification of Diseases, 10th Revision, and compared with appropriate hospital episode statistics inpatient denominator data to calculate incidence rates/million consultations. Malignancies (especially of the blood), kidney disease, liver disease, diabetes, alcoholism, and age ≥60 years were associated with an increased risk for listeriosis. Physicians should consider a diagnosis of listeriosis when treating patients who have concurrent conditions. Providing cancer patients, who accounted for one third of cases, with food safety information might help limit additional cases.
    Original languageEnglish
    Pages (from-to)38-43
    Number of pages5
    JournalEmerging infectious diseases
    Issue number1
    Publication statusPublished - Jan 2011


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